The mortar should be 1 3 cement sand with plasticiser.
Nhbc roofing spec.
Nhbc s registered address is.
Nhbc nhbc house davy avenue knowlhill milton keynes bucks mk5 8fp tel.
Additional members will generally be required to support coverings and finishes where trusses are spaced further apart.
Beneath coping and 150mm above adjoining roof surface to link with the roof upstand.
7 2 10 strutting for attic trusses and cut roofs that form a floor.
4 2 2 provision of information.
A cavity tray should be provided to direct any water that enters the cavity to the outside.
Small sections less than a half tile width of cut interlocking tiles should not be used.
They each expand on and explain a specific part of the nhbc standards.
7 2 11 support for equipment.
When bedding tiles or slates in mortar.
National house building council is registered in england and wales under company number 320784.
Plasterboard should be fixed as follows.
7 2 16 firestopping and cavity barriers.
9 5mm plasterboard should be fixed at a maximum support spacing of 450mm.
Timber frame allowance to be made for shrinkage at verge and masonry abutments.
4 2 3 building near trees.
0344 633 1000 fax.
4 2 building near trees.
4 2 6 excavation of foundations.
7 2 9 bracing for trussed rafter roofs.
7 2 15 ventilation vapour control and insulation.
They should project 30 60mm beyond the gable wall or bargeboard.
National house building council is registered in england and wales under company number 320784.
4 2 7 foundations in shrinkable soils.
They do not constitute professional advice.
Nhbc is the leading home construction warranty and insurance provider for new and newly converted homes in the uk.
7 2 14 underlay and sarking.
Nhbc is authorised by the prudential regulation authority and regulated by the financial conduct authority and the prudential regulation authority.
4 2 4 the effects of trees on shrinkable soils.
Nhbc is authorised by the prudential regulation authority and regulated by the financial conduct authority and the prudential regulation authority.
4 2 5 foundations in all soil types.
12 5 15mm plasterboard should be fixed at a maximum support spacing of 600mm.
Nhbc house davy avenue knowlhill milton keynes bucks mk5 8fp.
In cavity walls over openings air bricks etc.
They are designed for use by competent construction industry workers and are for general guidance only.
The cavity tray should fully protect the opening.
Nhbc s registered address is.