Technical waterproofing

Keep water
outside.
Keep value in.

Durable metal-roof waterproofing around openings, ducts, pipes and critical interfaces—detailed for long-term protection against rain leakage.

The detail is the system

Water finds
the smallest
weakness.

Effective waterproofing is not a surface treatment. It is a continuous strategy across every penetration, edge, joint and change in level.

Spanel combines close inspection, compatible materials and disciplined application to protect the complete roof assembly—not only the visible leak point.

01Find the path
02Resolve the interface
03Reinforce the seal
04Verify continuity

Completed work / Makkah

Waterproofing
for metal roofing

A documented intervention around roof equipment, penetrations and adjoining metal-roof interfaces.

Navigate project

Critical leak zones

Where continuity
matters most.

Waterproofing performance depends on the transitions that connect one roof component to the next.

01

Openings

Upstands, kerbs and perimeter details resolved as one sealed condition.

02

Ducts

Interfaces protected where services interrupt the roof plane.

03

Pipes

Flexible, compatible sealing around circular penetrations and movement points.

04

Joints

Overlaps and transitions reinforced to maintain water-shedding continuity.

Controlled application

One unbroken
line of defence.

01

Survey

Trace moisture paths and inspect every adjoining detail.

02

Prepare

Clean and stabilise the substrate for reliable adhesion.

03

Seal

Apply compatible systems with reinforced transitions.

04

Verify

Inspect continuity and close out the completed scope.

Stop leaks at the source

Protect the roof
before the next rain.

Arrange a specialist inspection of your metal roofing, penetrations and drainage interfaces.

Request an inspection