Sika Everbuild Multi Stick 350ml Polymer Adhesive – High‑Grab, Multi‑Purpose Building Adhesive

Sika Everbuild Multi Stick 350ml Polymer Adhesive is a professional,
hybrid polymer grab adhesive designed for high‑strength bonding of virtually all common
building materials. With excellent initial grab and permanent flexibility, it is ideal for
interior and exterior applications including skirtings, battens, panels, trims, brick slips,
tile backer boards, metal profiles and uPVC. Formulated to bond even to slightly damp surfaces,
Multi Stick is a go‑to construction adhesive for builders, joiners, roofers and maintenance teams.

Sika Everbuild Multi Stick is a one‑part, moisture‑curing hybrid polymer construction adhesive
supplied in a handy 350 ml cartridge. It combines the high bond strength and versatility of a grab
adhesive with the flexibility and durability associated with advanced polymer sealants.

Unlike traditional solvent‑based grab adhesives, Multi Stick is solvent‑free and low odour, making it more
pleasant and safer to use in occupied homes, offices and commercial premises. It bonds strongly to a very
wide range of substrates, including porous and non‑porous materials, often without the need for a primer.
Typical compatible surfaces include:

• Brick, block, stone and concrete,
• Plaster, plasterboard and cement boards,
• Softwood, hardwood and timber‑based boards,
• Metals such as aluminium, galvanised steel and stainless steel,
• uPVC and many rigid plastics (except PE, PP, PTFE – test first),
• Glass, ceramics and tiles.

Once cured, Sika Everbuild Multi Stick forms a strong, flexible and weather‑resistant bond line suitable for both
internal and external use, making it ideal for bonding items that are subject to thermal movement and vibration.

Typical Use Cases

• Skirtings, architraves and timber trims – bonding directly to plaster, plasterboard, masonry and timber grounds
  without visible fixings.
• Battens, grounds and timber frame components – supplementing mechanical fixings on C16/C24 timber
  for a more rigid assembly (non‑structural; follow engineering guidance).
• Wall panels, cladding and tile backer boards – fixing panels, plastic cladding, insulation boards and cement boards
  to walls and ceilings (where permitted by system manufacturers).
• Metal and uPVC profiles – bonding trims, angles, cappings, thresholds and cover strips
  to masonry, concrete, timber and plastic substrates.
• General construction & maintenance – multi‑material bonding of brackets, signs, cable trays, ducting,
  trunking and fit‑out components.

Installation & Application Tips

• Substrate preparation:
  • Surfaces must be clean, sound and free from dust, loose material, grease, oil and release agents.
  • Remove old adhesive residues and flaking paint; lightly abrade smooth surfaces for better key.
  • Multi Stick will bond to slightly damp, non‑flooded substrates, but surfaces should not be water‑logged or icy.
• Priming:
  • In many cases, Multi Stick adheres without primer.
  • On very porous, friable or critical substrates (e.g. dusty blockwork, poor plaster), use a suitable stabilising primer
    and follow Sika Everbuild guidance.
• Application as an adhesive:
  • Cut the cartridge tip and screw on the nozzle; trim the nozzle to the desired bead size.
  • Load into a quality sealant/adhesive gun.
  • Apply continuous beads or blobs to one surface – typically in wavy or straight beads at 10–20 cm centres,
    depending on the item size and weight.
  • Bring surfaces together within the open time and press firmly, sliding slightly if needed to spread the adhesive.
  • Where necessary, use temporary mechanical support or fixings until the adhesive has developed sufficient bond strength,
    especially for heavy or overhead items.
• As a gap‑bridging adhesive:
  • Multi Stick can accommodate minor irregularities and small gaps, but is not intended as a thick‑bed filler.
  • Ensure good contact between bonded surfaces; correct major unevenness mechanically where possible.
• Curing:
  • Multi Stick cures by reaction with moisture from the air and substrates.
  • Cure rate is typically around 2–3 mm per 24 hours at 23 °C and 50% RH (thicker beads will take longer).
  • Avoid heavy loading or stressing of the bond line until full cure is achieved.
• Clean‑up:
  • Remove excess uncured adhesive immediately with a suitable Sika Everbuild cleaner or white spirit.
  • Once cured, Multi Stick can only be removed mechanically (cutting/scraping).

Technical & Performance Overview

Sika Everbuild Multi Stick Polymer Adhesive is a professional hybrid polymer construction adhesive
formulated for multi‑material bonding. It is typically tested in accordance with relevant EN 15651
sealant standards (where applicable) and Sika Everbuild internal performance criteria. Always consult the latest
Technical Data Sheet (TDS) and Safety Data Sheet (SDS) for definitive data.

• Chemistry: One‑component hybrid polymer construction adhesive, moisture‑curing.
• Consistency: Thixotropic paste – non‑slump, suitable for vertical and overhead applications.
• Colour: Typically white or off‑white (verify specific variant on label).
• Bonded materials: Brick, block, concrete, stone, plaster, timber, C16/C24 structural timber (non‑structural bonding),
  metals, glass, ceramics, uPVC and many plastics (except PE, PP, PTFE – test first).
• Movement & flexibility: Cured adhesive remains elastic, accommodating limited movement and vibration.
• Temperature resistance: Once cured, typically serviceable between approx. ‑40 °C and +90 °C
  (check current data sheet).
• Water & weather resistance: Weatherproof and UV‑resistant for internal and external use; not for permanent immersion.
• Paintability: Many hybrid polymers are over‑paintable with water‑based paints once cured;
  always test compatibility and gloss/colour before full application.
• Packaging: 350 ml cartridge for use with a standard sealant/adhesive gun.
• Solvent / isocyanate content: Solvent‑free and isocyanate‑free; low odour, low shrink formulation.
• Storage: Store upright in a cool, dry place away from heat and direct sunlight.
  Observe shelf life and expiry date on the cartridge.
• Safety: Use in a well‑ventilated area. Avoid skin and eye contact, and follow PPE guidance in the SDS.

Sika Everbuild Multi Stick 350ml Polymer Adhesive Features & Customer Benefits

• Truly multi‑purpose building adhesive
  One product can bond timber, masonry, metals, glass, plastics and more, simplifying on‑site
  adhesive choice and reducing the need to carry multiple different tubes.
• High grab with reduced reliance on fixings
  Strong initial grab means many items can be held in place without visible screws or nails,
  improving aesthetics and reducing fixing time.
• Performs even on slightly damp substrates
  Ideal for realistic UK conditions where surfaces are rarely bone‑dry, helping keep projects moving
  without long waiting times.
• Safe and low odour for internal work
  Solvent‑free, low odour hybrid technology is well‑suited to occupied homes, offices and public buildings,
  compared with older solvent‑based grab adhesives.
• Durable, flexible bond line
  Cured adhesive remains elastic, coping with thermal expansion, vibration and minor movement
  without brittle failure.

Frequently Asked Questions – Sika Everbuild Multi Stick 350ml Polymer Adhesive

1. What is the difference between Multi Stick and a traditional solvent‑based grab adhesive?

Traditional grab adhesives are often solvent‑based, with stronger odours, higher VOCs and potential
issues on sensitive plastics and finishes. Sika Everbuild Multi Stick is a solvent‑free hybrid polymer
that offers:

• Low odour and better suitability for indoor use,
• Permanent flexibility rather than becoming brittle,
• Improved adhesion across a wide range of substrates, and
• Often the ability to bond to slightly damp surfaces.

2. Can Multi Stick be used as a structural adhesive?

Multi Stick is a high‑strength construction adhesive but is generally intended for
non‑structural bonding. For structural applications:

• Follow the guidance of a structural engineer or system designer.
• Use appropriate mechanical fixings where required by Building Regulations and standards.
• Treat the adhesive as a supplementary bonding aid unless specific testing and approvals
  state otherwise.

3. Will Multi Stick bond to wet surfaces?

Sika Everbuild Multi Stick will bond to slightly damp surfaces, which is useful on site.
However:

• Surfaces should not be water‑logged, dripping or covered in standing water.
• Excess moisture can slow curing and reduce adhesion.

For best results, apply to substrates that are clean and only lightly damp, not saturated.

4. Can I paint over Multi Stick once it has cured?

Many hybrid polymer adhesives, including Multi Stick, can be over‑painted with water‑based
(acrylic) paints once fully cured. For best results:

• Allow adequate curing time in line with the data sheet.
• Carry out a small test patch first to check for any issues such as slower drying,
  colour change or altered sheen over the adhesive.
• Be cautious with solvent‑based or alkyd paints, which may not be fully compatible.

5. Is Multi Stick suitable for bonding mirrors or natural stone?

For mirrors and natural stone (especially marble and limestone which can stain), it is
always best to:

• Check the Sika Everbuild technical datasheet for explicit suitability, and
• Use a dedicated mirror or stone adhesive where recommended by the manufacturer.

Some hybrid adhesives are suitable; others may affect mirror backing or cause stone staining,
so confirmation is essential before large‑scale use.

6. Common Uses & How to Use Sika Everbuild Multi Stick 350ml Polymer Adhesive

Common Uses:

• Bonding skirtings, architraves and door linings to plaster or masonry.
• Fixing timber battens and grounds to brick, block or concrete walls.
• Installing wall panels, cladding and tile backer boards.
• Attaching metal and uPVC trims, thresholds and profiles.
• General maintenance and repair bonding in domestic and commercial buildings.

How to Use – Step‑by‑Step:

1. Ensure substrates are clean, sound and free from dust, grease and loose material.
2. Cut the tip of the 350 ml cartridge, screw on the nozzle and trim the nozzle to the required bead size.
3. Insert the cartridge into a sealant/adhesive gun.
4. Apply Multi Stick to one surface in continuous beads or blobs at appropriate centres for the item being fixed.
5. Press the surfaces together within the adhesive’s open time, adjusting position as required.
6. Where needed, use temporary supports or mechanical fixings until adequate bond strength is achieved.
7. Wipe away any excess uncured adhesive with a suitable cleaner.
8. Allow the bond to cure fully (typically 24 hours for most applications) before applying full load or painting.