NBS Source
I'm a manufacturer

Promat - PROMATECT®-250 - Mezzanine Floor System - MZ P250-REI90-001S

Verified by manufacturer 1 month ago

Promat UK Product certifications:
  • EN 13501-2

    Certificate type

REI90 loadbearing floor/ceiling system using PROMATECT®-250 boards on steel C‑joists with P6 chipboard, delivering 90‑minute fire resistance from below including structural member protection.

Jump to:
0800 145 6033 Website

Application

Fire-rated loadbearing floor/ceiling assemblies in commercial, residential, and industrial buildings requiring 90-minute fire protection from below, including protection of structural floor members.

Suitable applications include:

  • Warehouses.
  • Industrial buildings.
  • Retail.
  • Self-storage.
  • Modular.

Description

Twin 15 mm PROMATECT®-250 ceiling boards on 141 x 54 x 1.3 mm steel C‑joists at ≤600 mm centres, 38 mm P6 deck, steel cleats and M12 tie bars, achieving REI90 (loadbearing, integrity, insulation).

Features and benefits:

  • Classification: REI90 (Fire from below):
    • Loadbearing capacity: 90 minutes.
    • Integrity: 90 minutes.
    • Insulation: 90 minutes.
  • Flooring: 38 mm P6 chipboard.
  • Framing: 141 x 54 x 1.3 mm steel C-joists at maximum 600 mm centres supported with minimum 110 x 125 x 4 mm steel cleats and minimum M12 steel threaded rod tie bar, nuts and washers at mid-span bracing all pairs of intermediate joists.
  • Ceiling: Two layers of 15 mm PROMATECT®-250 boards fixed below the joists. No coverstrips or fillet strips required.

Note - system is also capable of providing fire resistance to structural members within the floor.

General information

Color

White

Finish

Matt

Material

Calcium silicate

Shape

Rectangle

Length

Bespoke

Width

Bespoke

Height

Bespoke

Warranty description

-

Manufacturer guidance

Etex Building Performance Limited warrants that it’s products and component parts shall be durable and free from defects due to faulty manufacturing or factory workmanship. Etex Building Performance Limited also warrants that, when combined to form a system as detailed in the Project Pack specification document including associated CAD drawings and any other specific technical recommendations made in relation to this project, will meet the specified system performance. The full details of this warranty are covered in the Promat Warranty Document, available upon request.

Uniclass

Ss_30_25_10_10 Board suspended ceiling systemsPrimary

CAWS

K40/20 Board-suspended ceiling systems

K40/135 Board-suspended ceiling system

SKU Code

MZ P250-REI90-001S

Specification data - Board suspended ceiling systems

Classification data

System performance

This system is capable of providing fire resistance to structural members within the floor.

Manufacturer guidance

Contact Promat Technical Services for more information.

Suspension grid fasteners

M12 steel restraining rods, complete with nuts and washers, installed at midspan to brace all pairs of intermediate joists.

Insulation

None.

Linings

-

Inner layers

15 mm Promat Promatect® 250.

Manufacturer guidance

Boards to be installed parallel to joists. Board layers to be staggered in both directions by a minimum of 600 mm.

Face layer

15 mm Promat Promatect® 250.

Fasteners

Inner Layer Fixings: minimum 3.5 x 32 mm long steel self drilling drywall screws at maximum 400 mm centres.
Outer Layer Fixings: minimum 3.5 x 50 mm long steel self drilling drywall screws at maximum 200 mm centres.

Joint treatment

FSi Promat Pyrocoustic® Fire Resistant Sealant.

Guidance for specification option:

  • All boards abutting surrounding structure should be sealed using FSi Promat Pyrocoustic® Fire Resistant Sealant.
  • All penetrations should use supporting constructions detailed in Promat literature unless superseded by specific test information. For combined, warrantied performance specify FSi fire-stopping products.

Supporting structure

Structural member: 141 x 54 x 1.3 mm steel C-joists at maximum 600 mm centres.
Structural noggins: M12 steel restraining rods (minimum), complete with nuts and washers, installed at midspan to brace all pairs of intermediate joists

Manufacturer guidance

Steel C-joists must be supported via appropriate structure with 110 x 125 x 4 mm steel cleats and two M12 bolts.

Flooring

38 mm T&G structural P6 chipboard (minimum).

Guidance for specification option:

Fixed to joist with minimum 5.0 x 65 mm long steel screws at maximum 250 mm centres.

Strips

Cover strips: None.

Thickness

209 mm.

Manufacturer guidance

Nominal.

Finishes

Decorative.

Guidance for specification option:

Decorative finishes should be applied in accordance with Promat TDS 056 (https://www.Promat.com/en-gb/construction/documentation/) and the Promat Passive Fire Protection Handbook (https://www.Promat.com/en-gb/construction/tools-services/fire-protection-handbook/).

Non-decorative.

Guidance for specification option:

None required to achieve quoted performances.

Fire resistance

To EN 13501-2, 90 REI.

Manufacturer guidance

Direction of the fire exposure: below only.

Sustainability data

Country of material origin

Belgium

Country of product manufacture

Belgium

Manufacturer guidance

Applies to the bulk board material only. Other components are from other countries. Consult manufacturer for details.

Material

Calcium silicate

Recyclability

Gypsum, calcium silicate and metal components can be recycled depending on the segregation of all materials.

Product certifications

EN 13501-2

EN 13501-2

Fire classification report ENL-25-001390

Literature

Promat PROMATECT-XS Mezzanine guide Apr25

Promat PROMATECT-XS Mezzanine guide Apr25

Similar products from Promat UK

Promat SUPALUX® - Protected Zones - PZ SLUX-E120-EI15-001S

Promat SUPALUX® - Protected Zones - PZ SLUX-E120-EI15-001S

Promat SUPALUX® - Protected Zones - PZ SLUX-E240-EI30-001S

Promat SUPALUX® - Protected Zones - PZ SLUX-E240-EI30-001S

Promat SUPALUX® - Self Supporting Ceilings - CL SLUX-EI120-023S

Promat SUPALUX® - Self Supporting Ceilings - CL SLUX-EI120-023S

Promat SUPALUX® - Self Supporting Ceilings - CL SLUX-EI30-021S

Promat SUPALUX® - Self Supporting Ceilings - CL SLUX-EI30-021S

Promat SUPALUX® - Self Supporting Ceilings - CL SLUX-EI60-024S

Promat SUPALUX® - Self Supporting Ceilings - CL SLUX-EI60-024S

Promat SUPALUX® - Suspended Ceiling - SCL SLUX-EI120-022S

Promat SUPALUX® - Suspended Ceiling - SCL SLUX-EI120-022S

Promat SUPALUX® - Suspended Ceiling - SCL SLUX-EI15-023S

Promat SUPALUX® - Suspended Ceiling - SCL SLUX-EI15-023S

Promat SUPALUX® - Suspended Ceiling - SCL SLUX-EI30-024S

Promat SUPALUX® - Suspended Ceiling - SCL SLUX-EI30-024S

Promat SUPALUX® - Suspended Ceiling - SCL SLUX-EI60-021S

Promat SUPALUX® - Suspended Ceiling - SCL SLUX-EI60-021S

PROMATECT-XS® - Promat Mezzanine Floor MZ PXS-REI60-001S - Mezzanine Floor System

PROMATECT-XS® - Promat Mezzanine Floor MZ PXS-REI60-001S - Mezzanine Floor System