Civil Engineering Reference
In-Depth Information
bit you can sink or extract screws one-handed while holding the board in place against the
timbers with the other hand. Even when using full boards, this is just about possible with
care.
Shuttering partially removed from a section of wall with an
exposed frame.
The ease and speed of applying shuttering to an exposed frame makes the idea of the
double frame (exposed frame on both sides) very attractive. This should, however, be con-
sidered with caution, since the increased proportion of wall thickness that ends up being
filled with wood will reduce the level of insulation.
Having an external exposed frame is, in any case, to be avoided unless it is needed for a
specific purpose, for example to help with tying wood or masonry cladding back to the
face of the wall, because of the potential for damp to affect the frame. Internal exposed
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