1 2 12 7 mm 1 32 0 8 mm width standard.
Flat roof board thickness.
4 1219 mm 1 8 3 mm.
Sterling board is resistant to water with the osb3 option being particularly suitable for humid conditions.
Sufficient thickness 18mml.
Always install wood side up.
Thickness and fixing recommendations are similar to those for plywood.
Available wood thickness standard 7 16 or 5 8 thick rated 1 osb.
A minimum thickness of 18mm these will be able to span up to 600mm.
Osb a sterling board.
Oriented strand board osb osb used for flat roof decking should be type osb 3 or osb 4 conforming to bs en 300.
Browse our range of roof boards below and choose between general purpose hardwood plywood shuttering plywood exterior wise spruce plywood sheets and more.
The vcl and insulation board warm roof without deflection.
A good alternative to ply wood and usually cheaper we stock osb3 board in a selection of sizes.
Whatever you re working on our range of plywood board contains everything you need at our famously low prices.
Adequate roof membrane showing solid thickness mastic asphalt 20mml integrity using grade taken into consideration.
Densdeck roof boards are utilized in a wide variety of roofing systems for new and re roofing applications as gypsum roof cover boards and thermal barriers.
Roofs with very heavy loads may require 3 4 inch thickness.
Wood particle board chipboard.
Suitable for use with all bauder systems.
Builders put a new flat roof on the extension to my house in glossop in.
Installed correctly allowing falls to roof using per furring.
Tr27 insulation consists of high performance pir boards with glass facings on either side.
Regardless of thickness the plywood should be a type suitable for exterior use graded exterior or exposure 1 references.
Retroplus roof board is an expanded perlite mineral aggregate board.
Buildingregs4plans flat roof guidance provides information on flat roof deck design and materials including timberboarding plywood oriented strandboard.
That is easy to install and cut builds slope into an otherwise flat roofing system.
Impervious to any waters ingress.
The usual recommendation is that osb 3 or osb 4 bs en 300 should be used in flat roofs.
Wood edges are routed 1 8 to allow for expansion and contraction of the wood.
Find out more in our guide to insulating a flat roof.
We have the right sized osb3 board for almost every job.
These flat roof insulation boards have been manufactured so.
