Terrace Beside a Tiled Roof: Old Membrane Out, White Coating In

1. Where we started

The old membraneBitumen membraneWaterproofing that comes in rolls of reinforced bitumen. It is torched onto the roof in sheets that overlap at the seams. had torn and lifted in many places, leaving open joints.

2. Stripping

The old membrane comes off completely, including from the walls under the roof tilesTiled roofA pitched roof covered with clay tiles, on a timber frame or a concrete slab. The real waterproofing sits underneath, in the layer below the tiles..

3. Sheet by sheet

New material doesn't go on top of membrane that has come loose. Left in place, it would give the new coating no solid base.

4. A clean surface

With the membrane gone, the surface is cleaned and checked before waterproofingWaterproofingThe work and materials that stop water getting through on flat roofs, balconies, bathrooms, basements, planters and tanks..

5. Walls first

The white coatingElastomeric waterproof coatingA thick, rubbery waterproof paint for flat roofs, parapets and roofs. It stretches without cracking as the building expands and bridges hairline cracks. starts on the walls, right under the edge of the tiled roof.

6. The corner

Corners and the joint with the floor are covered carefully, as that's where cracksCrackA split or gap in render, concrete, a wall, a coating or wood. Fine cracks are usually only on the surface; ones that grow, keep reopening or run diagonally need attention. usually open.

7. The floor

The coating spreads over the whole floor and joins the walls into one continuous surface.

8. Finishing touches

The last spots on the walls are rolled so no gap is left.