Metal structure is required to be fireproofed similar to the concrete structure. The increase of metal structure design and usage at new building, the fireproofing coating like vermiculite become popular and widely used in a lot of project and building.
Commonly use of Fireproofing Vermiculite
The spray texture coating of fireproofing vermiculite cement is apply to :
- Metal structure for factory & warehouse
- Metal structure such as pipe racks, platform and building structure for oil and gas project
- Metal Shelter, platforms external staircase at utilities building.
- Main metal structure of commercial building eg. Office building/ shopping mall, structure will be covered up with cladding and ceiling.
- Residential building which is covered up by ceiling and plaster smooth finish for exposed columns.
Fire rating Hour for Fireproofing
The design and application of the vermiculite cement can range from 1 hour, 2 hour and 4 hours and thickness of coating subjected to HP/A with reference to the steel structure thickness.
All the fireproofing vermiculite cement to be approved be used in Singapore is required to be assessed and certified by SCDF. The approved type of fireproofing cement will be issued with COC according to the test and manufacture detail. DOC will be issued after completion of the work on site and certificate will be issued after site inspection. PE certified the material used with accordingly to the design and subject to the metal thickness.
Commonly Question of Fireproofing Vermiculite
- Fireproofing Vermiculite cement vs normal cement
- The vermiculite cement is tested material to fireproof the structure from up to 1100 degree for certain period and to comply with Standard. The normal cement can not withstand the heat as accordingly to the standard.
- Can Vermiculite cement subject to weather ?
- There is two grade of vermiculite, Internal and external grade.
- Can the vermiculite texture be smooth as plastering surface to receive paint?
- Yes. You may need to use external grade cement and to complete the work in two process and trowel finish with skim coat at last coat.
- Can the fireproofing vermiculite finish to be painted?
- Normally the finish surface is like grey/ brown after dry. Keep it original is to allow to identify when there is a damaged. If need to be painted due to some reason, try to use spray paint to minimize the disturb the coating and prevent de-bonding.
- Can the vermiculite cement be repaired when it is damaged?
- Most of vermiculite fireproofing damaged is due to disturb by others installation to the steel structure. Such as install M&E services, supports, or install additional fixture over the steel members. The other common issues are due to water seepage, metal structure rusty and scaling and caused the de-bond of the coating. The surface is required to assess by the specialist and proposed the most suitable repair method from case to case.
Need to explore more about Fireproofing work ?
check it out below
- Repair Vermiculite Fireproofing
- Fireproofing Intumescent Paint
- Fire Rate Partition Wall
- Diesel Tank Bund wall & Containment
Need to talk to Fireproofing Specialist?
Drop us an email or call us.
Ask@9reno.com or 98583011