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Sika Everbuild  |  SKU: 484940

EVERBUILD Lumberjack 650 Floor Adhesive - All Timber Flooring

£102.00
VAT included Shipping calculated at checkout.

EVERBUILD Lumberjack 650 Floor Adhesive is a hybrid polymer, solvent- and water-free adhesive for bonding wood floors to most subfloors. With excellent flexibility, gap-filling, acoustic properties, and 60-minute open time, it's ideal for use with underfloor heating and large-scale installations.


Size

Delivery and Shipping

Place your order before 3pm for next working day delivery.

Please note: Additional delivery charges may apply for Northern Ireland, Isle of Wight, Isle of Man, Isles of Scilly, Scottish Highlands & Islands, and Channel Islands. We will contact you to inform you of any additional costs once your order is received, or you can call us on 0800 111 4898 beforehand to confirm.

Description

Flexible Hybrid Polymer Adhesive for All Timber Flooring

Lumberjack 650 Floor Adhesive is a high-performance, standard-setting, trowel-applied adhesive formulated using advanced hybrid polymer technology. It is specifically designed for bonding all types of wooden flooring directly to a wide range of subfloor substrates. This 100% active, solvent- and water-free formulation eliminates the risk of warping timber, while offering exceptional flexibility and acoustic damping performance.

Key Features & Benefits

  • Solvent & Water-Free: No risk of timber warping or edge curling.
  • 100% Active Formula: High solids content for maximum bonding strength.
  • Extended Open Time: Up to 60 minutes working time for large surface areas.
  • Permanently Flexible: Absorbs subfloor movement and natural expansion of wood.
  • Excellent Acoustic Properties: Reduces sound transmission through the floor.
  • Gap-Filling: Ideal for uneven subfloors with minor imperfections.
  • Compatible with Underfloor Heating: Remains stable and elastic under thermal cycling.

Ideal For

  • Solid wood and engineered wood flooring
  • Bonding to concrete, screed, plywood, chipboard, existing tiles, and metal subfloors
  • Residential and commercial floor installations

Product Details

  • Packaging: 14 kg metal pail
  • Colour: Beige
  • Coverage: Approx. 1 m² per litre (dependent on trowel size and surface)
  • Open Time: Up to 60 minutes at 20°C
  • Cure Time: Walkable after 12–24 hours; fully cured in 48 hours
  • Application Temperature: +5°C to +30°C
  • Shelf Life: 12 months (unopened, stored in cool dry conditions)

Application Instructions

  1. Surface Preparation: Ensure substrates are sound, clean, and free from dust, grease, or surface laitance. Remove all loose material.
  2. Application: Apply using a notched trowel appropriate for the flooring type. Spread evenly and press flooring into place while adhesive remains tacky.
  3. Setting: Do not disturb flooring until initial bond is achieved. Avoid foot traffic for 12–24 hours.

Limitations

  • Do not apply below +5°C or on frozen or excessively damp surfaces
  • Not suitable for bonding non-wood materials
  • Subfloors must comply with moisture content requirements

Cleaning of Tools

Clean tools immediately after use with white spirit or Everbuild Wonder Wipes. Cured adhesive must be removed mechanically.

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