Sub-floor and Underlay for Wood floors

 

Sisalkraft 728

  • Sisalkraft 728 is a heavy duty Building paper to provide temporary protection, a draft and damp exclusion barrier for flooring fixed with the secret nailing method.
  • One side is polythene coated for waterproofing
  • Bitumen adhesive within the paper will seal around nails

Stock Code Specification Package Size
ACCUND01 SisalKraft 728 1m x 25m2 1 Roll

Moisture screen foil

  • In a 20m roll this PET foild has a massive vapour resistance SD value of 150 much higher than any similar thickness products
  • Perfect for use with underlays with no built in moisture barriers
  • Perfect for use on indoor sites as dust or painting protection covers

Stock Code Specification Package Size
ACCUND14 Moisture screen foil 1 Roll 20m2

Universal 2mm Red

  • Secure Aquar Stop +2mm is an underlay with a high level of floor protection.
    Transfer load of 9 t/m2. 20dB noise rating, multi awarded Electro Pro technology.
  • 4 in 1 – Substrate with an integrated moisture barrier.
  • Vapour barrier with overlap when used with Alu Tape.

Stock Code Specification Package Size
ACCUND11 Secure moisture stop +2mm underlay 1 Roll 15m2

Universal 2mm Yellow

  • 4 in 1 moisture barrier underlay
  • 30kg/m3 19dB impact sound reduction
  • 4 in 1 – Substrate with an integrated moisture barrier
  • Barrier with overlap when use with Alu Tape
  • Suitable for use with underfloor heating

Stock Code Specification Package Size
ACCUND09 Optima Moisture Stop +2mm 1 Roll 10m2

Universal 3mm Green

  • Universale Alu is a Hi-tech 3.0mm acoustic underlay with integrated vapour barrier
  • 1000kg/m3 density 20dB(A) impact sound reduction
  • Extremely effective with underfloor heating due to very low TOG value of 0.1

Stock Code Specification Package Size
ACCUND03 Universale Alu - 1 x 5m 1 Roll

Universal 5mm Blue

  • Secure Smart Moisture Stop + 5mm is an underlay with multi awarded Electro Pro technolohy + High Heat resistance Coefficient
  • 35kg/m3 22dB impact sound reduction
  • 4 in 1 – Substrate with an integrated Moisture Barrier
  • Vapour barrier with overlap when used with Alu Tape

Stock Code Specification Package Size
ACCUND10 Pack Size: 4.8m2 1 pack

Universal Bond 3mm - 5mm

  • 3.0mm/5.0mm high grab self-adhesive underlay
  • Reduces installation times, sub-floor preparation times significantly reduced.
  • Ideal for access flooring applications.
  • Perfect for when bonded solution is needed but with the ability to be lifted later.
  • Quick to fit, easy to work with.
  • Environmentally friendly created from recycled materials.
  • 23dB noise rating (3mm), 26dB (5mm).
  • Extremely stable, durable and non-collapsing.
  • 3.0mm Suitable for underfloor heating.

Stock Code Specification Package Size
ACCUND12 3mm High grab self adhesive underlay 1 Roll 15m2
ACCUND13 5mm High grab self adhesive underlay 1 Roll 10m2

Olympia

  • Multi-purpose, high load-bearing noise reducing underlay
  • Reduces in-room noise by up to 30%
  • 3.60mm gauge high density resilient rubber underlay
  • Vapourstop barrier that helps prevent moisture
  • 23dB noise barrier
  • Sound reduction rating of 56 SONE
  • Prevents the overstraining of wood boards
  • Provides an excellent sub-floor masking minor surface imperfection

Stock Code Specification Package Size
ACCUND15 Sponge rubber Underlay 1 Roll 15.07m2

Amphion

  • 5.0mm rubber sponder underlay with an extremely high 28dB noise barrier.
  • Specifically used for when high sound reduction is required
  • Twin scrim carpet construction that provices excellent underfoot comfort, noise reduction and gives heat insulation.
  • Unique Textron® backing provides exceptional dimensional stability, making it ideal for contract flooring applications

Stock Code Specification Package Size
ACCUND16 Sponge rubber Underlay 1 Roll 15.07m2

Primerfast

  • Primerfast is a fast drying single component polyurethane primer for absorbent & non-absorbent subfloors.
  • Fast drying withing 45-50min (20C & 50% RH)
  • 2 coat DPM up to 5% CM (5% CM at 6cm screed depth)
  • Solvent & water free with no odour
  • Application with Nylon Roller, coverage 120 – 450g/m2
  • Suitable for underfloor heating (single coat no DPM)

Stock Code Specification Package Size
ACCSUB01 Primerfast 6kg
ACCSUB02 Primerfast 12kg

Alu Tape

  • Self adhesive sealing tape to be used for joining underlay vapour barriers

Stock Code Specification Package Size
ACCUND06 Alu Tape 7.5cm x 25m 1 Roll

Choosing Underlay

Factor

Measurement

Best Choices

Noise

dB Impact sound transmission broad relation to thickness

Amphion (28dB), Universal Bond 5mm (26dB), Blue (23dB), Olympia (23dB)

Moisture

Moisture barrier

All except Universal Bond and Amphion. Moisture block foil can be used

Leveling

Thickness can absorb small sub-floor surface variations

Blue (5mm), Amphion (5mm), Universal Bond (5mm), Olympia (3.6mm), Green (3.2mm)

Heat Insulation

Tog value (High, insulation from cold)

Blue (1.8), Universal Bond 5mm (0.83)

UFH

Tog value (Low, aid heat transmission)

Green (0.1), Yellow (0.4)

Cost

Price point per Roll and m2

Red (£1.12 m2), Low installation costs related with Universal Bond.

Ease of installation

Roll size, weight, packing, overlaps, cutting lines and speed

Universal Bond (Self-adhesive), Blue (Folded, with overlap)

Compression / Longevity

Density, how it performs and supports the T&G, effects of compression. Quality and weight

Green (1000kg / m3), Olympia (800kg / m3)