A good alternative to ply wood and usually cheaper we stock osb3 board in a selection of sizes.
Flat roof board thickness.
Retroplus roof board is an expanded perlite mineral aggregate board.
Installed correctly allowing falls to roof using per furring.
The tr27 range of insulation from kingspan has been developed specifically for insulating flat roofs.
Sufficient thickness 18mml.
1 2 12 7 mm 1 32 0 8 mm width standard.
Wood particle board chipboard.
Builders put a new flat roof on the extension to my house in glossop in.
Tr27 kingspan flat roof insulation.
Suitable for use with all bauder systems.
Oriented strand board osb osb used for flat roof decking should be type osb 3 or osb 4 conforming to bs en 300.
Tr27 insulation consists of high performance pir boards with glass facings on either side.
A minimum thickness of 18mm these will be able to span up to 600mm.
We have the right sized osb3 board for almost every job.
That is easy to install and cut builds slope into an otherwise flat roofing system.
These flat roof insulation boards have been manufactured so.
Buildingregs4plans flat roof guidance provides information on flat roof deck design and materials including timberboarding plywood oriented strandboard.
The vcl and insulation board warm roof without deflection.
Roofs with very heavy loads may require 3 4 inch thickness.
Available wood thickness standard 7 16 or 5 8 thick rated 1 osb.
Oriented strand board osb osb has almost the same application and usefulness as the plywood it is made from wafers of timber rather than full sheets of veneer.
Impervious to any waters ingress.
Whatever you re working on our range of plywood board contains everything you need at our famously low prices.
Find out more in our guide to insulating a flat roof.
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.
Regardless of thickness the plywood should be a type suitable for exterior use graded exterior or exposure 1 references.
Adequate roof membrane showing solid thickness mastic asphalt 20mml integrity using grade taken into consideration.
Thickness and fixing recommendations are similar to those for plywood.
4 1219 mm 1 8 3 mm.
Sterling board is resistant to water with the osb3 option being particularly suitable for humid conditions.
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.