Celotex Fast-R™ FF3000

This Celotex product range is aimed specifically at the underfloor heating market
where the increased compressive strength of the board provides better dimensional
stability and resistance to site traffic during installation whilst the foam structure
ensures better pipe clip retention.

Advantages

FF3000 is manufactured using rigid polyisocyanurate foam and zero ozone depletion
potential (ODP) blowing agents with low global warming potential (GWP) and low
emissivity aluminium foil facings on both sides.

With Celotex FF3000 you are specifying an insulation board that:

Ensures minimal downward heat loss into structure
Is easy to cut and fit into most spaces
Uses the foam structure to ensure better pipe clip retention
Provides reliable long term energy savings for buildings
Has excellent dimensional stability
Is supplied in board sizes convenient for handling indoors
Is available in two different board sizes: 1200mm x 600mm and 1200mm x 2400mm

Applications

Celotex FF3000 is purpose designed for use in internal underfloor heating applications.

Celotex is the brand leading manufacturer of PIR insulation boards, with its range
encompassing the thinnest and thickest boards available to the construction industry today.

Use Celotex FF3000 and Celotex TB3000 high performance thermal insulation in underfloor heating applications to minimise insulation thickness and give the following benefits:

Minimal downward heat loss into the structure
Easy to cut boards to fit in most spaces
Pipe retaining clips may be inserted directly into the Celotex insulation
Provides reliable long term energy savings for building structures
Excellent dimensional stability
Conveniently sized boards for handling indoor

Specification

Celotex FF3000 comprises a polyisocyanurate rigid foam insulation core with low emissivity aluminium foil facings on both sides. Celotex FF3000 is CFC/HCFC free with zero ODP and low GWP.

CE marking compliance to BS EN 13165:2001 and manufactured in accordance with quality management systems with BS EN ISO 9001:2001 by Celotex Limited.

All products must be installed in accordance with instructions issued by Celotex Limited.

Physical Properties

	Method	FF3000
Compressive strength	BS EN 826	≥140kPa
Dimensional stability	BS EN 1604	DS(TH)8
Water vapour resistance	BS EN 12086	>150MNs/g
Thermal conductivity	BS EN 12667	0.023W/mK
Reaction to fire	BS EN 13501	Euroclass F

 

Celotex FF3000 Technical Data

Product Code	Thickness (mm)	R-value (m2K/W)	Weight (kg/m2)
FF3050	50	2.15	1.84
FF3070	70	3.00	2.48
FF3075	75	3.25	2.64
FF3085	85	3.65	2.96
FF3090	90	3.90	3.12
FF3100	100	4.30	3.44
FF3125	125	5.40	4.24
FF3150	150	6.50	5.04

 

Installation Guidelines

Pre-installation guidelines for concrete slab floor applications only

Install a damp proof membrane (DPM) below the slab, or apply a liquid waterproofing membrane to the top surface of
the slab.
The DPM must provide continuity with the damp proof course in the surrounding walls.
Level the surface of the slab; it should be smooth and free of projections.
Use a thin layer of sand blinding on a rough tamped slab to ensure that the insulation boards are continuously supported.

Installation guidelines for concrete slab and beam& block floor applications

Use Celotex TB3000 boards as upstands to fit around the floor perimeters to eliminate thermal bridging at screed edges.
The upstand depth should be equal to the sum of the slab insulation and the screed thickness. The upstand thickness should not exceed the combined thicknesses of the wall plaster and the skirting.

Lay the insulation boards directly onto the prepared slab / beam and block with all joints tightly butted.
Install a polythene membrane over the insulation.
Lay a proprietary underfloor heating system, generally comprising pipework in coils. Pipe retaining clips may be inserted directly into the Celotex insulation.
Apply the screed over the Celotex insulation boards to a thickness recommended by the manufacturer of the underfloor heating system (normally 75mm).
Compact the screed solidly when laid.
Allow the screed to dry thoroughly before an impermeable surface, such as a vinyl finish, is applied.

These recommendations are suitable for normal domestic floor loadings. If higher loadings are required, it may be necessary to increase the screed thickness and provide reinforcement within the screed. Consult a structural engineer or a specialist flooring contractor.

Installation guidelines for suspended timber floor applications

Install joists in the conventional manner, with solid or diagonal strut bracing as necessary. (NB: diagonal bracing may lead to thermal bridging).
Fix battens to the sides of the joists to support the insulation and to form a cavity for the underfloor heating, between the insulation and floor boards.
Cut the Celotex FF3000 insulation to achieve a tight fit, then push the boards firmly down between the joists.
Insulate the gaps between the joists and wall to prevent thermal bridging.
Lay a proprietary underfloor heating system within the cavity, generally comprising pipework in coils, to the manufacturer’s guidelines.
Install either chipboard or soft wood boarding directly onto the joists.

Manufacturer's details

Celotex Limited, Lady Lane Industrial Estate, Hadleigh, Ipswich, Suffolk, IP7 6BA

Web site: Celotex Home Page

Web site: Celotex U-value Calclator

Celotex Technical Advisory Service

While just-insulation provides the very best products at the very best prices ...
For the very best advise we recommend you contact the Celotex Technical Advisory Service.
Tel: 0901 996 0100 (30p per minute) Fax: 01473 820 889 Email: technical@celotex.co.uk

Page updated November 12, 2008