Waterproofing Flashcards
What is the definition of Flashing, Vertical
Flashing Vertical - Flashing used in wall junctions within wet area
What is the definition of Leak, Control Flange?
Leak Control Flange - Flange connected at a waste pipe, passes through substrate
What is the definition of Substrate?
Substrate - Surface to which membrane is applied
What is defined as a water resistant substrate
Property of a system or material that restricts moisture movement & will not degrade under conditions of moisture
What are the 4 steps to waterproofing?
1 - Surface prep and clean
2 - Prime
3 - Bondbreakers
4 - Membrane
For a shower hob construction how far should you continue the waterproofing onto the floor area?
50mm
What is the purpose of water stops?
Retain water within the shower or wet area.
What is the minimum stepdown for a shower using a water stop?
15mm
Where a shower screen covers the water stop, how far should the water stop finish above the finished floor level?
5mm minimum
What 3 forms of protection is required for door frames and architraves in wet areas?
1 - Timber not embedded in tiles
2 - 2mm sealed gap between jamb, arc and floor
3 - Underside of jamb and arc shall be treated to resist moisture
What 3 requirements for a shower niche?
Lined on all sides with water resistant substrate
Internal linings of niches shall be separated form opposite side of wall
Niche sill 1:100 fall
What are the 2 typical transition tape details?
Class 1 & 2
Class 3
When a linea drain is used in a bathroom, what is the fall ratio required to the drain
1:80
What are the internal corner waterproofing requirements?
40mm
When applying a flood test on your waterproofing system, how long should you allow the water to stand for?
24 hours
