Waterproof Tile-Ready Boards for Corners, Angles & Pipe Concealment
Purpose-built XPS foam boards designed for creating clean room corners, wall angles, and boxing in water pipes, waste pipes, and heating risers — fully waterproof, tile-ready, no timber framing needed.
Insutile® Angle Boards are specialized tile backer boards engineered for two key applications: forming clean internal and external room corners and wall angles, and concealing exposed plumbing, heating pipes, waste stacks, and service risers. With Insutile® Angle Boards, there is no need for timber battens, plasterboard, or separate waterproofing membranes.
Insutile® Angle Board is a preformed, factory-scored panel that folds cleanly to the exact angle your project needs. Standard boards fold up to 90° straight out of the pack — perfect for wall junctions, pipe boxing, and wet-room corners — and custom angles can be produced to order for any non-standard geometry. That makes Angle Board ideal for renovations, where minimising on-site cutting, dust, and time on the wall matters most.
Cuts cleanly with a utility knife and folds to the shape you need — making installation easier, quicker, and more efficient.
Ideal for boxing in plumbing, waste stacks, and service risers — a neat, tile-ready enclosure in a single step.
Insutile® Angle Board delivers superior performance for room corners, wall angles, and pipe concealment:
Complete water resistance for kitchens and bathrooms. No separate membranes needed.
XPS core and cementitious faces form a seamless barrier at corner junctions — no separate membrane required in wet areas.
Preformed angles enclose water, waste, and service pipes in one tile-ready step.
One preformed fold replaces stud-and-board construction — waterproof, insulated, tile-ready enclosure in a single step.
Cementitious surface bonds perfectly with any tile adhesive and grout system.
Tile directly onto the cementitious face with standard thin-set — no primer needed, superior bond strength in corners.
Slim profile boards maximize usable floor or wall space in tight installations.
Slim profile delivers support and waterproofing in minimal thickness — saves space vs. timber-and-plasterboard builds.
XPS foam and cementitious coat prevent microbial growth and degradation over time.
XPS core and mineral face resist biological colonization — corners stay clean and hygienic in humid bathrooms and kitchens.
Easy to handle and transport. Reduces installation labor and fatigue.
One person can position and hold boards during assembly — less fatigue and faster work in confined spaces.
Simple tools required. Boards cut cleanly for angles, curves, and custom shapes.
Cuts cleanly with basic hand tools — precise mitres, clean pipe holes, no delamination, no specialist skills needed.
Minimal dust, minimal site time, minimal mess. Skip timber framing and plasterboard entirely.
One piece replaces timber, plasterboard, and membrane — less dust, less waste, faster strip-out to tile-ready.
Easily create removable panels for valve and fitting access.
Modular structure makes it simple to integrate removable access panels for valves and service points — without breaking tile.
Insutile® Angle Board — available dimensions and key performance specs:
| Thickness | Width | Length |
|---|---|---|
| 20 | 150 | 150 |
| 20 | 200 | 200 |
| 20 | 300 | 300 |
| 20 | 400 | 200 |
Standard pre-formed right angle for clean internal and external corners. Ideal for wall-to-wall, wall-to-floor junctions, and pipe boxing in kitchens and wet areas. Also perfect for pipe service and repairs — maintenance-door compatible for easy valve and fitting access without breaking tile.
Order Angle Board with high-strength double-sided tape pre-applied on the inside faces of the L. Holds the board at the correct angle against the substrate while adhesive cures — no clamps, props, or temporary bracing required. Ideal for one-person installations and confined spaces.
Ideal for a wide range of applications in residential, commercial, and specialty settings.
A repeatable sequence refined across thousands of installations. Click a step to view its plate.
Identify corner junctions, wall angles, or pipe runs and plan board layout for optimal coverage.
Identify corners, angles, and pipe runs to plan board layout.
Utility knife or fine-tooth saw only — no power tools needed.
Test-fit each board in position before applying any adhesive.
Apply polyurethane adhesive along the board’s mating edges and fold crease.
Fold the angle onto the substrate and press firmly. With pre-applied tape, no clamps needed.
Tape and seal all joints and seams with waterproof sealing tape.
Tile directly onto the cementitious face using standard thin-set adhesive.
Insutile® Angle Board can be ordered with high-strength double-sided tape pre-applied at the factory along the fixing face — no clamps, props, or bracing required. Peel, position, press.
The steps shown are a recommended installation guide. Site conditions, substrates, and finishes vary — always consult a qualified contractor or specifier to confirm the correct method for your project.
Insutile® Angle Board outperforms alternatives for corners, angles, and pipe boxing:
| Property | Insutile® Pipe Boxing | Timber Frame + Plasterboard | MDF / Chipboard Boxing | Pre-Made Plastic Boxing |
|---|---|---|---|---|
| Waterproof | ✓ | ✗ | ✗ | ✓ |
| Tile-Ready Surface | ✓ | ✗ | ✗ | ✗ |
| Self-Supporting | ✓ | ✓ | ✓ | ✓ |
| Mold Resistance | ✓ | ✗ | ✗ | ✓ |
| Installation Speed | ✓ | ✗ | ✓ | ✓ |
| Custom Tile Finish | ✓ | ✓ | ✓ | ✗ |
| Weight | ✓ | ✗ | ✗ | ✓ |
Insutile offers a complete line of specialty construction insulation products:
High-performance tile backer board for wet and dry environments.
Flexible membrane for curved surfaces and complex geometries.
Specialized underlayment for shower bases and wet environments.
Tapes, meshes, sealants, and fastening systems for complete installations.
Our technical team is on hand to help you choose the right system, get a quote or find your nearest distributor across Egypt.
Angle Board delivers a clean, precise 90° internal corner in a single preformed piece — no mitre cuts, no battening, no multi-board joints. Straight out of the pack it folds to a perfect right angle, ready for direct tiling in bathrooms, kitchens, and wet rooms.
20 mm and 30 mm Angle Board are standard for internal room corners — thicker profiles add rigidity on taller walls and over uneven substrates.
Form sharp, impact-resistant external corners on partition walls, columns, and niches in a single preformed board. Angle Board removes the need for corner beads, mitred tile edges, or separate waterproofing over vulnerable external returns.
External Wall Angles start at 30 mm and go up from there. Thicker profiles add rigidity and impact resistance where the corner is subject to knocks, trolley traffic, or heavy natural-stone finishes.
The wall-to-floor junction is the most water-critical transition in any wet area. Angle Board delivers a continuous, preformed 90° transition with a fully waterproof core — eliminating the weakest joint in traditional backer-board construction.
20 mm Angle Board is standard for wall-to-floor detailing. 30 mm where additional stiffness is needed on uneven screed or over acoustic underlay.
Box in and conceal surface-run water supply, heating, and waste pipes with a single preformed angle. Angle Board creates a neat, insulated, tile-ready enclosure in one step — no timber studwork, no plasterboard, no separate waterproofing layer.
20 mm Angle Board is standard for internal pipe boxing. 30 mm where added thermal performance is required on hot-water runs or where the enclosure will be tiled with heavy stone.
Conceal waste stacks, soil pipes, and service risers with a waterproof, tile-ready enclosure in a fraction of the time of a traditional stud-and-plasterboard build-up. Angle Board is ideal for renovations where dust, time, and clean finishes all matter.
20 mm Angle Board is standard for residential bathroom and kitchen boxing. 30 mm where the enclosure needs to carry heavier tile finishes or form part of a partition wall.
