Unit 1 Lesson 17,18 &19 Walls
Lesson 17 Types of wall finishes and their advantages and disadvantages: rendered blockwork facing brickwork pointing (bucket handle/tooled, recessed, weathered, flush).
Wall finishes: pointing Facing brickwork is finished with various types of joints: bucket handle/tooled recessed weathered flush. Teacher/tutor notes (PS 9): Draw the different joint profiles using an interactive whiteboard. Ask learners to sketch them based on your demonstration. As a revision exercise, you could then mix up the profiles and ask learners to identify them. © Pearson Education Ltd 2013. Copying permitted for purchasing institution only.
Wall finishes: Pointing
Lesson 18 The materials used in the construction of walls: thin joint masonry lightweight thermal blockwork the quality of facing bricks the types of mortar and quality to maintain structural integrity and load distribution.
Thin Joint Masonry with Lightweight blocks http://www.youtube.com/watch?v=jy-2WvMQ9Yo
Lesson 19 Types of wall openings and their functions: to provide ventilation to provide light to improve aesthetics.
The components of a wall opening and their functions: lintel sill window door threshold damp-proof course cavity trays cavity closers weepholes.
Cavity Closer
Cavity Tray
Detailing around wall openings, including the detailing of: heads thresholds sills and jambs wall-tie spacing. The functions of detailing: to prevent damp transfer to ensure continuity of insulation to maintain structural integrity to distribute loads.
Detail around wall openings: