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