Master Builders Solutions — Bituminous coatings & membranes
MasterSeal 727 ST / 729 ST / 730 ST
Historical MasterSeal membrane names with corresponding SikaShield grades in some rebranding references.

- Bituminous coatings & membranes
- Foundations
- Roofs
Verify before you specify
A historical, regional or rebranded name. Do not treat it as a current product until it is verified.
Check the current manufacturer technical data sheet for this product and market.
What it is
Legacy membrane grades.
Historical MasterSeal membrane names with corresponding SikaShield grades in some rebranding references.
Source note: Legacy/market-dependent; verify. MasterSeal and Sika names correspond only in some markets; they are not interchangeable.
Where to apply
Roof or below-ground applications permitted by the exact grade.
Application overview
Use the grade-specific installation method and approved detail drawings.
High-level steps only. Mixing, coverage, thickness, timing and curing come from the current data sheet.
Technical controls
What the applicator must check before and during the job:
- Thickness
- Reinforcement
- Overlap
- Substrate
- Installation method
- Fire precautions
- Exposure
Official documents
- Manufacturer reference page
- No data-sheet library is linked for this brand yet. Check the current manufacturer technical data sheet for this product and market.
The library may be a regional site. Confirm the data sheet matches the product and market you are buying.
Image and source status
Product image supplied from the manufacturer's published material.
Disclaimer
Check the current manufacturer technical data sheet for this product and market. Installation must follow the current TDS/SDS and the project specification.
More in this category

Sika
Verify locallySika Igolflex R
A flexible bituminous coating used in suitable waterproofing/protection systems.
- Bituminous coatings & membranes
- Foundations

Sika
Current familySikaShield family
Product family — choose an exact grade
A family of membrane grades with differing reinforcement, finish and installation method.
- Bituminous coatings & membranes
- Foundations
- Roofs

Sika
Verify locallySikaBit PRO-45
A specific membrane grade whose construction and installation method must be checked in the current TDS.
- Bituminous coatings & membranes
Not sure this is the right product?
Construction problems are not always solved by choosing a product from a catalogue. Tell us what you're working on, what problem you're experiencing, and what surface or structure is involved — we'll help you identify the appropriate solution.
