String
The two outer sections of a staircase where either one or both sides are fix to the adjoining walls
Surface Dry/Touch Dry
The initial setting of a wet film which although still soft can be handled without damage.
Tack Rag/Tack Cloth
Trade name
Fabric usually cheese cloth impregnated with a slow drying oil used to remove dust particles after a surface has been rubbed down.
Tanalised Timber
Tanalised timber.
TANALISED, is timber which has been impregnated with TANALITH (a combination of copper and organic biocide) wood preservative. See VAC-VAC.
Timber treated in the same pressurised chambers as for the Vac-Vac process
and is more associated with sawn timber and coloured green or brown.
Generally used for external works such as fencing, sheds, posts and cladding.
Tannic Acid in Wood
Tannic Acid
Tannins in wood is held in the the sap and or residue and is activate during the timber drying process, when the moisture carries the Tannis onto the timber surface. The staining is shown byway of a yellowish, dark grey or blueish colour. As this residual staining will bleed through an applied paint coating special primers have to used.