Roof waterproofing in Baish: cost & published offers

Prepared by the technical team · editorial review · last updated 13 November 2026 · Sources

What is specific about Baish for roof waterproofing

The centre of Baish sits about 84 m above sea level (SRTM open elevation data). Team note on Baish: Kashf teams serve this city and its nearby districts with the same documented inspection standard: device-based leak detection without demolition, a written report, and a clear scope before any work begins..

Baish sits in the Jazan region of southwestern Saudi Arabia, and the centre of town lies about 84 m above sea level according to SRTM open elevation data. For roof work, that modest elevation means the town is not a high-altitude mountain climate, so crews should plan for heat and sun exposure on flat roofs rather than for the sharp cold snaps seen at higher elevations. Scheduling the application for cooler parts of the day and allowing extra time for surfaces to dry before the next layer becomes a practical part of the job.

Those local conditions shape which liquid roof waterproofing options make sense. Liquid roof waterproofing is priced at SAR 8–25 per m², and bitumen membrane at SAR 15–35 per m², while XPS boards run at SAR 12–30 per m². Because the roof is the surface most exposed to daytime heat and any standing water, owners in Baish usually weigh the lower liquid option against the membrane or insulation boards that add a layer of thermal protection. Matching the product to how hot the roof gets, and how often rain runs off it, is what keeps the finished surface sound over time.

Owners who plan their roof work well tend to avoid a few common mistakes. They do not treat the surface as ready when it still holds dust, loose grit, or old paint, since the coating will not bond to a dirty base. They do not skip cracks or joints and assume the new layer will cover them, because movement will reopen the gaps. They also avoid comparing quotes without checking that each one covers the same area and the same product type, so the per-square-metre rates can be read on equal terms. Taking these steps early keeps the roof dry and avoids repeat work later.

Prices shown on this page come from our own published price list for the city; the final price is set after inspection.

Signs worth paying attention to

The following signs are worth checking before they grow:

• The old waterproofing is cracking
• Stains on the top-floor ceiling after rain
• Water pooling on the roof

Causes we see in the field

• Cracks in the roof slab.
• Damaged waterproofing around tank and AC bases — we check this before anything else.
• A common cause: wrong falls towards the drains.

Tools and methods, and when we use them

From the first visit to the report

1. Survey: Falls, drains and the condition of the old layer are recorded.
2. Preparation: Cleaning and repairs before any new layer.
3. Primer: The base coat that the system needs.
4. Waterproofing layers and details: Corners, upstands and bases get their own detail.
5. Flood test: The roof is flooded and checked before it is covered.

Baish in facts and sources

Questions from Baish

Mistakes that cost more

• Covering the waterproofing before the flood test
• Ignoring the tank bases

What you receive

The written output: a quality record with photos and the flood-test result. The report is numbered and can be checked with its verification code.