075346 Wooden windows
In addition to the requirements of Specification 075341, 075342, 075343, 075344 for wooden doors comply with the following.
Cills for windows shall be in full width timber and extending 30mm beyond the outer face of wall. Outer faces of cills beyond the rebate for opening shall be sufficiently sloped outward. Grooves for water drips not wider than 10mm shall be formed in the projecting section of the cills. Outer edges of cills shall be finished slightly rounded.
Mullions shall be tenoned into heads and cills.
Vent openings provided in window panels shall be in milled timber blades not less than 10mm thickness set at angles to allow sufficient air to pass through but protect rain. The vent blades shall be comb jointed and glued to the rails.
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