Sizing
A thin coat of paste or glue size applied onto porous surfaces before hanging wallpaper and other wall coverings.
Snagging
Snagging within the building /construction industry is a slang word relating to a snag document/form is issued to contactors and sub contractors towards the end of a project or phased work to outline and describe minor defects or omissions arising during the course of the work carried out. This inspection to identify defects within the finishing work construction prior to the final handover to the client is normally conducted a few weeks before the final handover to the client..
Soffit Board
Soffit Board
A horizontal board fixed to the underside of the rafters between the wall surface and facia board.
Also, the underside of an arch, beam, cornice and stairs.
See building components : Roof construction.
Spalling is where the top surface becomes detached from the main body of the substrate.Spike Roller
A spike Roller is usually used when laying self levelling products such as epoxy flooring to eradicate air bubbles.
Sponging Off
Sponging Off 
A decorative effect achieved by applying a contrasting colour of wet glaze onto a base colour
then by dabbing the surface with a sponge to removing the coloured glaze.
See: See: Specification- Broken Colour Techniques -Tools and Equipment Special Techniques.
Sponging On
Sponging On 
A Multi-coloured finish achieved by dabbing a wet coat of paint or coloured glaze over a base colour with a sea sponge.
See: Specification- Broken Colour Techniques -Tools and Equipment Special Techniques.