PC Building Supplies. Roofing & Ventilation

"Gloss effect uPVC 65mm square downpipe compatible with Brett Martin's 106mm Prostyle and 114mm Squarestyle gutter systems. Quick & easy to install. Lightweight. UV Resistant."

£18.59

Brett Martin 65mm Square To Round Adaptor - Arctic White

17001

Quick & easy to install.
Lightweight.
UV Resistant.

£6.27

Brett Martin 65mm Square To Round Adaptor - Black

17016

Quick & easy to install.
Lightweight.
UV Resistant.

£6.27

Brett Martin 65mm x 4m Plain End Square Downpipe - Black

74023

"Gloss effect uPVC 65mm square downpipe compatible with Brett Martin's 106mm Prostyle and 114mm Squarestyle gutter systems. Quick & easy to install. Lightweight. UV Resistant."

£29.52

Brett Martin 65mm x 5.5m Plain End Square Downpipe - Black

74017

"Gloss effect uPVC 65mm square downpipe compatible with Brett Martin's 106mm Prostyle and 114mm Squarestyle gutter systems. Quick & easy to install. Lightweight. UV Resistant."

£40.78

Brett Martin 68mm Cast Iron Effect Adjustable Offset (250mm to 650mm) - Classic Black

55007

"Quick & easy to install. Authentic Cast Iron architectural detailing and finish. An affordable cast iron alternative. Ready to fit. 10 Year Warranty."

£45.34

Brett Martin 68mm Corner Round Cast Iron Effect Downpipe Bracket - Classic Black

55016

"Quick & easy to install. Authentic Cast Iron architectural detailing and finish. An affordable cast iron alternative. Ready to fit. 10 Year Warranty."

£10.87

Brett Martin 68mm Round Drain Connector

57011

Used with the 68mm round downpipe this adaptor allows the downpipe to be connected directly into the 110mm drainage system.

£12.10

Brett Martin 68mm Round 92.5° Spigot Bend - Black

18016

This is commonly used to allow the downpipe to connect to the running outlet on the gutter and return to the wall to continue the downpipe.

Quick & easy to install.
Lightweight.

£5.33

Brett Martin 68mm Round Cast Iron Effect 112.5° Branch - Classic Black

55040

"Quick & easy to install. Authentic Cast Iron architectural detailing and finish. An affordable cast iron alternative. Ready to fit. 10 Year Warranty."

£40.55

Brett Martin 68mm Round Cast Iron Effect 112.5° Spigot Bend - Classic Black

55012

"This is commonly used to allow the downpipe to connect to the running outlet on the gutter and return to the wall to continue the downpipe. Quick & easy to install. Authentic Cast Iron architectural detailing and finish. An affordable cast iron alternative. Ready to fit. 10 Year Warranty."

£22.67

Brett Martin 68mm Round Cast Iron Effect 115mm Offset - Classic Black

55036

"Quick & easy to install. Authentic Cast Iron architectural detailing and finish. An affordable cast iron alternative. Ready to fit. 10 Year Warranty."

£23.67

Brett Martin 68mm Round Cast Iron Effect 135° Bend - Classic Black

55034

"Quick & easy to install. Authentic Cast Iron architectural detailing and finish. An affordable cast iron alternative. Ready to fit. 10 Year Warranty."

£18.88

Brett Martin 68mm Round Cast Iron Effect 135° Branch - Classic Black

55008

"Quick & easy to install. Authentic Cast Iron architectural detailing and finish. An affordable cast iron alternative. Ready to fit. 10 Year Warranty."

£40.55

Brett Martin 68mm Round Cast Iron Effect 150mm Offset - Classic Black

55009

"Quick & easy to install. Authentic Cast Iron architectural detailing and finish. An affordable cast iron alternative. Ready to fit. 10 Year Warranty."

£27.23

Brett Martin 68mm Round Cast Iron Effect 230mm Offset - Classic Black

55010

"Quick & easy to install. Authentic Cast Iron architectural detailing and finish. An affordable cast iron alternative. Ready to fit. 10 Year Warranty."

£30.87

Brett Martin 68mm Round Cast Iron Effect 305mm Offset - Classic Black

55011

"Quick & easy to install. Authentic Cast Iron architectural detailing and finish. An affordable cast iron alternative. Ready to fit. 10 Year Warranty."

£35.51

Brett Martin 68mm Round Cast Iron Effect 380mm Offset - Classic Black

55013

"Quick & easy to install. Authentic Cast Iron architectural detailing and finish. An affordable cast iron alternative. Ready to fit. 10 Year Warranty."

£37.80

Brett Martin 68mm Round Cast Iron Effect 455mm Offset - Classic Black

55037

"Quick & easy to install. Authentic Cast Iron architectural detailing and finish. An affordable cast iron alternative. Ready to fit. 10 Year Warranty."

£42.22

Brett Martin 68mm Round Cast Iron Effect 75mm Offset - Classic Black

55033

"Quick & easy to install. Authentic Cast Iron architectural detailing and finish. An affordable cast iron alternative. Ready to fit. 10 Year Warranty."

£20.14

Brett Martin 68mm Round Cast Iron Effect 92.5° Spigot Bend - Classic Black

55027

"Allows the 68mm cast iron effect round downpipe to continue via a 92½° bend. Quick & easy to install. Authentic Cast Iron architectural detailing and finish. An affordable cast iron alternative. Ready to fit. 10 Year Warranty."

£18.88

Brett Martin 68mm Round Cast Iron Effect Downpipe Bracket - Classic Black

55035

"Allows the 68mm cast iron effect round downpipe to be fixed to walls or other surfaces. Quick & easy to install. Authentic Cast Iron architectural detailing and finish. An affordable cast iron alternative. Ready to fit. 10 Year Warranty."

£7.10

Brett Martin 68mm Round Cast Iron Effect Left-Hand Shoe with Lugs - Classic Black

55031

"Quick & easy to install. Authentic Cast Iron architectural detailing and finish. An affordable cast iron alternative. Ready to fit. 10 Year Warranty."

£27.15

Brett Martin 68mm Round Cast Iron Effect Plain Coupler - Classic Black

55029

"Compatible with Brett Martin's 68mm round downpipe and used to join pipe lengths. Quick & easy to install. Authentic Cast Iron architectural detailing and finish. An affordable cast iron alternative. Ready to fit. 10 Year Warranty."

£12.62

Brett Martin 68mm Round Cast Iron Effect Plain Coupler with Lugs - Classic Black

55028

"Used to connect Cascade cast iron effect 68mm round downpipe lengths. Quick & easy to install. Authentic Cast Iron architectural detailing and finish. An affordable cast iron alternative. Ready to fit. 10 Year Warranty."

£13.24

Brett Martin 68mm Round Cast Iron Effect Right-Hand Shoe with Lugs - Classic Black

55032

"Quick & easy to install. Authentic Cast Iron architectural detailing and finish. An affordable cast iron alternative. Ready to fit. 10 Year Warranty."

£27.15

Brett Martin 68mm Round Cast Iron Effect Shoe With Lugs - Classic Black

55030

"Fits to the base of the 68mm cast iron effect round downpipe to direct rainwater into the gully or other soakaway Quick & easy to install. Authentic Cast Iron architectural detailing and finish. An affordable cast iron alternative. Ready to fit. 10 Year Warranty."

£27.14

Brett Martin 68mm Round Cast Iron Effect Socketed Pipe with Lugs x 1.8m - Classic Black

74037

"Quick & easy to install. Authentic Cast Iron architectural detailing and finish. An affordable cast iron alternative. Ready to fit. 10 Year Warranty."

£38.34

Brett Martin 68mm Round Cast Iron Effect Socketed Pipe with Lugs x 2.5m - Classic Black

74038

"Quick & easy to install. Authentic Cast Iron architectural detailing and finish. An affordable cast iron alternative. Ready to fit. 10 Year Warranty."

£54.37

Brett Martin 68mm Round Downpipe 112½° Bend - Artic White

18003

This is commonly used to allow the downpipe to connect to the running outlet on the gutter and return to the wall to continue the downpipe.

Quick & easy to install.

£5.33

Brett Martin 68mm Round Downpipe 112½° Branch - Arctic White

18005

Quick & easy to install.
Lightweight.
UV Resistant.

£13.02

Brett Martin 68mm Round Downpipe 112½° Branch - Black

18018

"Quick & easy to install. Lightweight. UV Resistant."

£13.02

Brett Martin 68mm Round Downpipe 92½° Bend - Arctic White

18004

Allows the 68mm round downpipe to continue via a 92½° bend.

Quick & easy to install.
Lightweight.

£5.33

Brett Martin 68mm Round Downpipe 92½° Bend - Black

18017

"Allows the 68mm round downpipe to continue via a 92½° bend. Quick & easy to install. Lightweight. UV Resistant."

£5.33

Brett Martin 68mm Round Downpipe Bracket - Arctic White

18009

"Allows the 68mm round downpipe to be fixed to walls or other surfaces. Quick & easy to install. Lightweight. UV Resistant."

£3.11

Brett Martin 68mm Round Downpipe Bracket - Black

18022

"Allows the 68mm round downpipe to be fixed to walls or other surfaces. Quick & easy to install. Lightweight. UV Resistant."

£3.11

Brett Martin 68mm Round Downpipe Connector - Arctic White

18001

Compatible with Brett Martin's 68mm round downpipe and used to join pipe lengths.

Quick & easy to install.

£3.74

Brett Martin 68mm Round Downpipe Connector - Black

18014

"Compatible with Brett Martin's 68mm round downpipe and used to join pipe lengths. Quick & easy to install. Lightweight. UV Resistant."

£3.74

Brett Martin 68mm Round Downpipe Rainwater Head (universal) - Black

21034

"Quick & easy to install. Lightweight. UV Resistant. Universal design fits 68mm round & 65mm square downpipes"

£19.61

Brett Martin 68mm Round Downpipe Rainwater Head (universal) - White

21033

"Quick & easy to install. Lightweight. UV Resistant. Universal design"

£19.61

Brett Martin 68mm Round Downpipe Shoe - Arctic White

18002

Fits to the base of the 68mm round downpipe to direct rainwater into the gully or other soakaway

Quick & easy to install.

£5.33

Brett Martin 68mm Round Downpipe Shoe - Black

18015

"Fits to the base of the 68mm round downpipe to direct rainwater into the gully or other soakaway Quick & easy to install. Lightweight. UV Resistant."

£5.33

Brett Martin 68mm Round Pipe x 2.5m - Artic White

74034

"Gloss uPVC downpipe compatible with Brett Martin's 112mm Roundstyle, 114mm Squarestyle and 115mm Deepstyle gutter systems. Quick & easy to install. Lightweight. UV Resistant."

£19.12

Brett Martin 68mm Round Pipe x 2.5m - Black

74033

"Gloss uPVC downpipe compatible with Brett Martin's 112mm Roundstyle, 114mm Squarestyle and 115mm Deepstyle gutter systems. Quick & easy to install. Lightweight. UV Resistant. 6 colour options."

£19.12

Brett Martin 68mm x 4m Plain End Round Downpipe - Anthracite Grey

75001

"Gloss uPVC downpipe compatible with Brett Martin's 112mm Roundstyle, 114mm Squarestyle and 115mm Deepstyle gutter systems. Quick & easy to install. Lightweight. UV Resistant."

£25.99

Brett Martin 68mm x 4m Plain End Round Downpipe - Arctic White

74026

"Gloss uPVC downpipe compatible with Brett Martin's 112mm Roundstyle, 114mm Squarestyle and 115mm Deepstyle gutter systems. Quick & easy to install. Lightweight. UV Resistant."

£28.66

Brett Martin 68mm x 4m Plain End Round Downpipe - Black

74025

"Gloss uPVC downpipe compatible with Brett Martin's 112mm Roundstyle, 114mm Squarestyle and 115mm Deepstyle gutter systems. Quick & easy to install. Lightweight. UV Resistant."

£28.66

Brett Martin 68mm x 5.5m Plain End Round Downpipe - Arctic White

74020

"Gloss uPVC downpipe compatible with Brett Martin's 112mm Roundstyle, 114mm Squarestyle and 115mm Deepstyle gutter systems. Quick & easy to install. Lightweight. UV Resistant."

£38.27

Brett Martin 68mm x 5.5m Plain End Round Downpipe - Black

74019

"Gloss uPVC downpipe compatible with Brett Martin's 112mm Roundstyle, 114mm Squarestyle and 115mm Deepstyle gutter systems. Quick & easy to install. Lightweight. UV Resistant."

£38.27

Brett Martin Cast Iron Effect Ogee Hopper Medium - Classic Black

55014

"Quick & easy to install. Authentic Cast Iron architectural detailing and finish. An affordable cast iron alternative. Ready to fit. 10 Year Warranty."

£53.80

Brett Martin Cast Iron Effect Small Plain Hopper - Classic Black

55015

"Quick & easy to install. Authentic Cast Iron architectural detailing and finish. An affordable cast iron alternative. Ready to fit. 10 Year Warranty."

£51.16

Brett Martin Gutter Protector System (5m Pack) - Black

21027

Quick & easy to install.

£29.62

Brett Martin Lug Fixing Pack (10 x 55mm screws and wall plugs) - Classic Black

55038

"Quick & easy to install. Authentic Cast Iron architectural detailing and finish. An affordable cast iron alternative. Ready to fit. 10 Year Warranty."

£8.20

Brett Martin Rainwater Diverter - Black

21025

"Quick & easy to install. Lightweight. UV Resistant."

£23.88

Brett Martin Rainwater Diverter - White

21026

"Quick & easy to install. Lightweight. UV Resistant."

£23.88

Brett Martin Spacers Pack (10 x 5mm spacers) - Classic Black

55039

"Quick & easy to install. Authentic Cast Iron architectural detailing and finish. An affordable cast iron alternative. Ready to fit. 10 Year Warranty."

£5.85

Cementone All Weather Trowel Applied Bitumen Mastic 2.5ltr Black

40046

Bostik Bituminous Mastic for Roofs is a multi-purpose trowel grade bituminous material for waterproofing, stopping, bedding, pointing and sealing. With added fibres for reinforcement. Forms a surface skin, but the mass below remains soft to allow for moderate movement. Perfect for sealing and filling holes in mastic asphalt, roofing felt, corrugated iron, metal guttering and downpipes. Suitable for use for waterproofing, bedding, pointing, sealing and stopping. It can be applied to mastic asphalt, roofing felt, corrugated iron, cast iron, fibre cement, slates, lead, copper, zinc, concrete and timber.

£29.67

Cementone Aquaprufe Liquid Damp Proof Membrane 5ltr Black

40044

"Bostik Aquaprufe Damp-Proofer & Waterproofer is a solvent free rubber enriched bitumen emulsion for use both internally and externally on floors and walls. It can be applied to damp surfaces and there is no need for a separate primer. The waterproofer must be over coated with plaster or flooring screed. Can be applied to damp surfaces. No need for a separate primer. For use on wood, plaster and cement. Suitable for interior and exterior use."

£26.16

Cementone Feltfix Bitumen Roof Felt Adhesive 2.5ltr Black

40041

"Bostik Feltfix Bituminous Roof Felt Adhesive is a cold applied solvent-based bituminous adhesive. It has high initial grab for bonding bituminous roofing felts to asphalt, felt, metal, timber and concrete. It is also suitable for sealing laps on roofing felt and for bonding mineral chippings to bituminous surfaces. It produces a strong, flexible bond, which hardens and softens with changes of temperature. This adhesive must not be used with or over tar based products. its product should be applied to a clean, dry and dust free surface using a mop, squeegee or stiff brush. Dusty or porous surfaces should be primed with a penetration primer. It is recommended that when laying felt onto timber or wood substrates, the first layer of felt is nailed with galvanised clout head nails, subsequent layers can be bonded with this product. Size - 2.5ltr. Colour - Black. "

£26.70

Cementone Feltfix Bitumen Roof Felt Adhesive 5ltr Black

40040

"Bostik Feltfix Bituminous Roof Felt Adhesive is a cold applied solvent-based bituminous adhesive. It has high initial grab for bonding bituminous roofing felts to asphalt, felt, metal, timber and concrete. It is also suitable for sealing laps on roofing felt and for bonding mineral chippings to bituminous surfaces. It produces a strong, flexible bond, which hardens and softens with changes of temperature.Bostik Feltfix Bituminous Roof Felt Adhesive must not be used with or over tar based products. For bonding roof felt to asphalt, metal, concrete & timber. Seals laps on roof felt. Bonds chippings on flat roofs."

£39.42

Cementone Protective Bitumen Paint 2.5ltr Black

40017

Bostik Bituminous Black Paint is a solvent-based protective coating for external waterproofing and weather protection of ferrous and non-ferrous metals, concrete, roofing felt, fibre cement, corrugated iron, asphalt and wood. It dries to form an odourless and taint-free bitumen film. It is ready to use, no thinning is necessary.

£25.34

Cementone Protective Bitumen Paint 5ltr Black

40015

"Bostik Bituminous Black Paint is a solvent-based protective coating for external waterproofing and weather protection of ferrous and non-ferrous metals, concrete, roofing felt, fibre cement, corrugated iron, asphalt and wood.It dries to form an odourless and taint-free bitumen film. Weather protection for metalwork and roofs. For wood, metal, roofing felt & cement. Brush on."

£38.94

Cementone Waterproof Bituproof Roofing Emulsion 5ltr Black

40016

"Bostik Solvent Free Waterproofer for Roofs is a non-fibrates, flexible bitumen emulsion of medium brushing consistency for use on all common roof surfaces. It is dark brown in colour but dries to form a black finish.Bostik Solvent Free Waterproofer for Roofs provides a long lasting waterproof treatment, under good drying conditions on fibre/cement, roofing felt, mastic asphalt, corrugated iron, slates, tiles, lead, copper and zinc roof surfaces. For wood, metal and cement. Dries to form a long lasting waterproof coating. Can be applied to damp surfaces."

£24.97

Chesterfelt 20KG Green Shed Felt 10MTR X 1MTR

64048

Chestershed Mineral is a waterproof protection layer for use on portable type buildings with pitched roofs, such as sheds, stables, kennels and non-inhabited buildings. It features a glass fibre base which is saturated in bitumen and finished with light sand on the lower surface and green mineral granules on the upper surface.

Cost-effective

£34.56

Chesterfelt 38KG Green Mineral Shed Felt 10MTR X 1MTR

64047

Chesterbond Green Mineral is a traditional pour and roll membrane which is used as the final waterproofing layer in conjunction with an underlay membrane such as Chesterbond Underlay. It features a rag fibre base which is saturated and coated in oxidised bitumen and is finished with light sand on the lower surface and mineral granules on the upper surface.

Cost-effective waterproofing

£49.94

Chesterfelt Deboflex High Perf Underlay 16MTR X 1MTR

64043

Deboflex Underlay is a torch-applied underlay membrane which is designed for use on various types of flat roofing projects including new build and refurbishments, cold roofs and warm roofs using vapour control layers with insulation. It features a glass fibre core which is saturated and coated in bitumen and the upper surface is finished in a burn off film.

High performance underlay

£78.80

Chesterfelt Torch On Felt Blue/Grey 8MTR x 1MTR

64041

Higher performance grade modified SBS. Final waterproofing layer with mineral finish and added UV protection.

£79.06

Chesterfelt Torch On Felt Charcoal 8MTR x 1MTR

64042

Deflector Plus 5 cap sheets are designed for use on various types of flat roofing projects including new build and refurbishments, cold roofs and warm roofs using vapour control layers with insulation. They feature a polyester core which is saturated and coated in SBS modified bitumen and the upper surface is finished with a choice of green or charcoal slate mineral.

High performance

£78.62

Corrugated PVC Sheet Super Fixings

10072

Super fixings: Fixing screw, waterproof cap and clear spacing washer.
Packs of 10

£3.25

CROMAR External Raised Angle Trim

73095

£22.36

CROMAR GRP 7″ Roller

38040

perfect for applying PRO GRP Resin and Top Coat. Much stronger than conventional rollers, they are longer lasting, giving much better results.

£5.71

CROMAR GRP 7″ Roller Refill

38009

perfect for applying PRO GRP Resin and Top Coat. Much stronger than conventional rollers, they are longer lasting, giving much better results.

£4.03

CROMAR GRP A Trim 3Mtr A200

73100

fitted to the roof edge to allow rainwater drainage to flow into the gutter

£23.42

CROMAR GRP Acetone 5Ltr

38056

£35.12

CROMAR GRP B Trim 3Mtr B230

73098

fitted to the roof edge to prevent water run off.

£25.88

CROMAR GRP B Trim 3Mtr B260

73097

fitted to the roof edge to prevent water run off.

£27.80

CROMAR GRP Brush 2"

38008

Laminating brush for the application of PRO GRP Resin, also handy for Top Coat detailing.

£1.62

CROMAR GRP Brush 3"

38007

Laminating brush for the application of PRO GRP Resin, also handy for Top Coat detailing.

£2.68

CROMAR GRP Catalyst Dispenser

38034

£18.86

CROMAR GRP D Trim 3Mtr D260

73096

for use against a butting wall or parapet.

£22.68

CROMAR GRP E Trim E280

73099

For creating rolls on ridge details or expansion joints on large roofs.

£13.72

CROMAR GRP Glass Fibre Jointing Bandage 75mm

38058

£31.64

CROMAR GRP Hardener 5Kg

38057

£67.12

CROMAR GRP Internal Raised Angle Trim 3Mtr

73094

£25.24

CROMAR GRP Laminating Roller 140mm×21mm

38039

A bubble buster with ribbed metal rollers for eliminating bubbles, helps to ensure an even resin to mat ratio.

£11.78

CROMAR GRP Laminating Roller 225mm×21mm

38038

A bubble buster with ribbed metal rollers for eliminating bubbles, helps to ensure an even resin to mat ratio.

£14.71

CROMAR GRP Roofing Resin 20kg

64030

£166.00

CROMAR GRP Top Coat 20Kg

64031

£196.32

CROMAR GRP White Bucket 5Ltr

38055

£3.04

CRYSTA-GLAS LIGHTWEIGHT 1200 X 600 X 2MM

61083

Lightweight Crysta-Glas is perfect for DIY and replacement glass in the garden. Crysta-glass must be cleaned with warm soap water and a sponge or soft cloth. Do NOT use proprietary glass cleaning products as they may affect the appearance of the product.

£19.36

CRYSTA-GLAS LIGHTWEIGHT 1800 X 600 X 2MM

61084

Lightweight Crysta-Glas is perfect for DIY and replacement glass in the garden. Crysta-glass must be cleaned with warm soap water and a sponge or soft cloth. Do NOT use proprietary glass cleaning products as they may affect the appearance of the product.

£28.33

Roofing & Ventilation

Payment options