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This section of the site will
help you find information about the solid components of the external
envelope -walls and roofs. In terms of energy performance they
are the key elements of any house.
Walls
   
Walls come in three generic
types, loadbearing masonry, framed and clad, or reinforced poured/sprayed
materials such as concrete and ferro cement.
- Bricks -clay handmade and pressed facing
brick, engineering brick and brick specials.
- Blockwork -concrete blocks, insulated blocks
- Glass
Block -decorative blocks
that allow light to pass through.
- Stone -naturally quarried facing stone for
dressed stonework and random rubble walling.
- Earth -rammed earth, cob and abobe walling.
- Lintels -steel, concrete and plastic lintels
for standard openings and special situations.
- DPCs and
Trays -bituminous,
polythene, lead.
- Ventilation
and Accessories -cavity
ventilation, ties, straps, cavity closers and other accessories
for walls.
- Timber
Boarding -vertical
timber boarding.
- Sheet
Cladding -made made
flat and profiled sheet materials for cladding walls and roofs.
- Concrete -in situ poured / sprayed and pre
cast concrete.
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- See also:
- Insulation -thermally insulating materials for
walls and roofs.
- Timber
Frame-manufacturers
of timber frame systems and homes.
Roofs
Roof finishes can be divided
into pitched or flat roofs. Clearly the shallower the pitch,
the more reliance is placed on the performance of the surfacing
material -this may be reflected in the life of the roof finish.
Traditional tiles and slate offer the greatest length
- Tiles
and Slate -clay plain
and profiled roof tiles, slates
- Thatch -traditional roofs of Norfolk Reed.
- Timber
Shingles -cedar, oak
and chestnut shingles and shakes.
- Flat
Roofing -single ply
membrane, mastic asphalt and built up felt roof finishes.
- Green
Roofs -planted roofs
with grass or sedum.
- Lead -valleys, gutters and other roof features
in rolled lead.
- Ventilation
and Accessories -
- Guttering -plastic, aluminium and steel rainwater
systems.
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