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Insulation & waterproofing solutions - JIT backer insulation board
JIT backer insulation board (also known as construction board, tile backer board, insulation backer board,
waterproof backer board, wet room backer board, polystyrene insulation board, foam insulation board)
Product structure
JIT backer insulation boards are made of high-performance waterproof extruded polystyrene, it has a 0.75mm coating on either side comprising a glassfiber mesh embedded in a polymer cement mortar.
Outstanding characteristics
Both insulation and waterproof
Product appearance
JIT backer insulation boards have straight edges. The color of the surface is grey and the core material is light blue
Working temperature range
50 to +80 °C
Standard dimensions and weight
Thickness(mm) | Weight(kg/m²) | Length by width(mm*mm) |
6 | 2,7 | 1220 x 600 |
10 | 2,9 | 1220 x 600 |
12 | 3,0 | 2440 x 600 |
20 | 3.1 | 2440 x 600 |
30 | 3,3 | 2440 x 600 |
50 | 4,2 | 2440 x 600 |
JIT backer insulation board has the following tolerances:thickness:± 2mm width:± 2mm length:± 3mm
Reaction to fire
JIT backer insulation boards are classified as class E according to EN 13501-1. When the boards are covered with tiles, their fire performance should comply with local construction laws and regulations.
Effect on indoor environment
JIT backer insulation board has been assessed as not emitting any particles, gases or radiation that may have a negative effect on the indoor climate or to have any significant effect on health.
Environmental declaration
JIT backer insulation board does not contain any substances on the observation list of dangerous substances published by the national environmental authorities.
Main applications
JIT backer insulation boards are used as a watertight layer on walls and floors in houses, hotels and other wet areas such as bathroom, shower room, swimming pool.
Other applications
Other places to be insulated and waterproofed.
Applications
1. as a watertight layer on walls and floors in wet rooms and bathrooms.
2. as an insulation layer in under floor heating to avoid heat loss.
3. as partition walls in wood or steel frames.
4. substitute for gypsum board and fiber cement board; insulation and waterproofing; lighter so that more easily to install.
5. as enclosures for bathtubs, water pipes, etc.
6. can very easily and fast formed to be small shelves, washbasins, shower benches and soap boxes.
7. combining with JIT curved/shapeable insulation backer boards, kinds of decorative models can be made with your infinite creativity.
Fixing
Choose a way to fix JIT insulation backer boards according to the substrate to be fixed to. Normally, using modified tile adhesive for solid concrete wall/floor and strengthened by mechanical fixings when necessary while only using mechanical fixings for wood and steel frames.
Reinforcement
1. Dry areas: reinforce all joints between boards, floors and walls by 5cm or 10cm wide self-adhesive tape.
2. Wet areas: reinforce by suitable waterproof tape.
Waterproof strengthen
1. Strengthening all joints between boards, floors, walls and mechanical fixings placements by suitable waterproof tape.
2. Strengthening joints between walls, outside corners and inside corners by special corners.
3. Sealing pipe holes with special waterproof tape.
4. Strengthening once again by waterproof glue, liquid tanking membrane, tanking membrane paint, etc. when necessary.
Coating of panels
Should always be covered by ceramic tiles, mosaics or other equivalent non-fireproof materials after installation.
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