Birla Opus Alldry Wall n Roof 10
Birla Opus

Waterproofing · Matt, self-priming

Alldry Wall n Roof 10

A one-pack, self-priming elastomeric waterproof coating for terraces, chajjas and exterior walls with acrylic fibre reinforcement.

FinishMatt, self-priming
Touch dry4-6 hours
CoatsHorizontal 3
ShadesWhite

Best for: Terrace and chajja waterproofing, Exterior walls with seepage, Parapet walls

At a glance

Coverage
Horizontal surfaces 10 sq.ft per litre for 3 coats; parapets 30-35 sq.ft per litre for 2 coats; exterior walls (fresh) 25 sq.ft per litre for 2 coats; repaint 30 sq.ft per litre
Coats
Horizontal 3; fresh walls 2; repaint 1
Touch dry
4-6 hours
Recoat after
4-6 hours
Thinning / mixing
35% with potable water on the 1st and 2nd coats
Apply with
Brush or roller
Pack sizes
1 L, 4 L, 10 L, 20 L
Shades
White
Warranty
10 years against water ingress through terrace; up to 11 years on exterior walls (depends on topcoat)
Shelf life
36 months
Curing
Air cure 7 days, then fill 5 cm of water for 24 hours as a ponding test
Good to know
Apply between 10 and 45 degrees C; not if rain is due within 48 hours. Foot traffic only. Needs adequate terrace slope.

How much will I need?

A rough estimate from the coverage on the data sheet. Real coverage depends on the wall.

Enter the wall area or room size.

Why choose it

  • Resists water pressure up to 10 bar
  • Bridges cracks up to 2 mm; stretches up to 250%
  • Lowers surface temperature by up to 10 degrees C
  • Reflective white finish (SRI above 100)
  • Good scrub resistance

How to use it

Cure plaster at least 28 days. Remove algae and plants, then wash. Repair spalls and fill cracks. Coat on a saturated-dry surface.

Recommended system

  1. Self-priming, no separate primer needed
  2. Alldry Repair Master (defects over 5 mm)
  3. Alldry Crack Master Paste (cracks up to 5 mm)
  4. 45 gsm glass fibre mesh between coat 1 and 2 in high-movement areas

Source These details are taken from Birla Opus's official website and technical data sheet, and written in simple words by APS. Brands update their products from time to time, so please check the pack and the latest data sheet before use. See the official page

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