Roof waterproofing in Alaridah: before summer & rain season
In short: Roof waterproofing (before summer & rain season) in Alaridah starts with the roof, falls and drains survey, then the moisture meter for ceilings and walls, before anything is opened. The centre of Alaridah sits about 2591 m above sea level (SRTM open elevation data). Pricing starts from Liquid roof waterproofing (per m²) (SAR 8–25 per m²), and other items are quoted after the visit.
Before we start: what we know about Alaridah
The centre of Alaridah sits about 2591 m above sea level (SRTM open elevation data).
Picture a family who own a two-storey house in Alaridah, with a flat concrete roof that they use for drying clothes and storing water tanks. Every summer the surface bakes in the sun, and each winter the first heavy rain brings a damp patch to the ceiling of the top bedroom. They want the leak fixed before the next rain season, but they are not sure whether the roof needs a full replacement or only a protective layer.
The centre of Alaridah sits about 2591 m above sea level, which means the area can see strong sun by day and cool nights, and that daily temperature swing is hard on roof surfaces. Expansion and contraction open hairline cracks in concrete, and those cracks let water seep through to the slab below. For an owner, this makes early checks more important than usual: a small crack found in spring is far cheaper to seal than water damage that has spread through the ceiling. Liquid roof waterproofing typically costs SAR 8–25 per m², and bitumen membrane SAR 15–35 per m², so the choice between them depends on the roof's condition and how much traffic it carries.
Start by walking the roof after the summer heat and before the rain. Look for cracks, ponding water, bare patches, and failed sealant around pipes and parapets. Mark each crack, then decide on crack injection, which is priced per metre at SAR 40–120 per m, before covering the whole surface. Clean the roof thoroughly and let it dry, since moisture trapped under a coating will cause it to peel. Next, apply the chosen system in the order the product instructions set out, and pay attention to edges and drain outlets, where leaks most often start. If the house has water tanks on the roof, check their internal coating separately, because tank internal coating runs SAR 25–60 per m². Finish by checking the ceiling below after the first rain to confirm the repair held.
Checks before summer and before the rain season catch problems while they are still small.
When do you need roof waterproofing?
If you notice one of these signs in Alaridah, it is a good moment to talk to the team:
- Stains on the top-floor ceiling after rain
- Water pooling on the roof
- The old waterproofing is cracking
The most common causes
- Damaged waterproofing around tank and AC bases — we check this before anything else.
- Wrong falls towards the drains.
- A common cause: cracks in the roof slab.
How we choose the tool in Alaridah
| Tool or method | What it measures | Why it is chosen here |
|---|---|---|
| Flood test | Whether the waterproofing holds before it is covered | Limits: for roofs with drains and wet areas before tiling |
| Roof, falls and drains survey | Ponding areas and the condition of the old layer | Limits: shows the condition, not the material alone |
| Moisture meter for ceilings and walls | Where water is entering now, from inside | Limits: measures the effect, not the water path |
How the work is done, step by step
- Survey: Falls, drains and the condition of the old layer are recorded.
- Preparation: Cleaning and repairs before any new layer.
- Primer: The base coat that the system needs.
- Waterproofing layers and details: Corners, upstands and bases get their own detail.
- Flood test: The roof is flooded and checked before it is covered.
Facts and costs — Alaridah
| Item | Value | Source |
|---|---|---|
| District profile | The centre of Alaridah sits about 2591 m above sea level (SRTM open elevation data) | SRTM (NASA) open data |
| Liquid roof waterproofing (per m²) | SAR 8–25 per m² | Owner price list (Alaridah) |
| Bitumen membrane (per m²) | SAR 15–35 per m² | Owner price list (Alaridah) |
Common questions about roof waterproofing in Alaridah
Where does roof waterproofing (before summer & rain season) start in Alaridah?
We start with survey (falls, drains and the condition of the old layer are recorded), then preparation (cleaning and repairs before any new layer).
What does roof waterproofing cost in Alaridah?
From our published price list: Liquid roof waterproofing (per m²) SAR 8–25 per m²; Bitumen membrane (per m²) SAR 15–35 per m². Quantities are confirmed at the inspection.
What do I receive after the work?
A quality record with photos and the flood-test result, in a technical report that carries a verification code.
Common mistakes we see
- Covering the waterproofing before the flood test
- Ignoring the tank bases
The written outputs
You receive: a quality record with photos and the flood-test result, in a technical report with a verification code.
If you live in Alaridah and are new to the area
- Have access ready to the water meter, the tank hatches, the roof and the main valve; in apartment buildings the roof keys are often with the building guard (haris).
- Prices are in Saudi riyals (SAR); the final price is confirmed after the inspection, before any work starts.
- Keep photos of the problem and of any earlier repairs — they help the technician compare before and after.
- If you rent, tell your landlord or building management before the visit and agree in writing who pays; the written report can be shared with them.
Sources and method
- SRTM (NASA) open data
- Owner price list for Alaridah
- Local pages are published only after a quality gate: real local facts, text similarity of no more than 15% with any other English page, and a claims check.
- النسخة العربية