Nylon mesh sleeves for use with chemical resin injection into hollow bricks and blocks. Compatible with M8 and M10 threaded studs. Comes with stud alignment collar. Available in 85mm and 135mm lengths.
Size
Price
QTY
M15 x 85mm (qty:10)
£2.39£2.87
M15 x 135mm (qty:10)
£2.80£3.36
Chemical anchor nylon sleeves are an essential part of any resin anchoring system when you’re fixing into hollow masonry. Without them, injected resin simply falls through the void inside hollow bricks or blocks rather than setting around the stud — which is exactly the kind of thing you only learn the hard way. These sleeves act as a mesh container, holding the resin in place while it cures and giving it something to bond against inside the hollow section.
Each sleeve comes with a stud alignment collar, which keeps your threaded rod or stud centred in the hole as the resin goes off. A small detail, but it matters. A poorly centred stud can compromise pull-out strength and cause headaches when it comes to fitting fixings, brackets or structural connections later on.
Where Chemical Anchor Nylon Sleeves Get Used
These are the sleeves to reach for when you’re working with lightweight blockwork, cavity bricks, or any masonry where a standard solid anchor simply isn’t going to hold. Dense aggregate or aerated blocks are common candidates on new-build and refurb sites alike. You’ll find them used across steel fabrication, structural steel connections, balcony fixings, facade support work, and anywhere else where a reliable chemical anchor into hollow substrate is required.
M8 and M10 Stud Compatibility
Sized to suit M8 and M10 threaded studs, these sleeves cover the most common stud diameters used in everyday structural and facade fixing applications. Available in two lengths — 85mm and 135mm — so you can match the sleeve to the embedment depth required by your fixing design or engineer’s specification. The 135mm option suits deeper embedment where higher load capacity is needed, while the 85mm version is a practical choice for lighter-duty connections or thinner block sections.
Sold in packs of ten, these are a straightforward and cost-effective way to make sure your chemical anchor installation into hollow masonry actually performs the way it should. The resin does the work — the sleeve just makes sure it ends up in the right place.
Pro Tip: Always drill a hole diameter that matches the sleeve size exactly — too loose and resin leaks past the mesh before it sets, too tight and the sleeve won't seat properly.
Chemical anchor nylon sleeves are used wherever a resin injection anchor needs to be installed into hollow or perforated masonry. That includes lightweight concrete blocks, aerated blockwork, engineering bricks with voids, and cavity-facing brickwork. They're used by fixers, structural steelwork contractors, and groundworkers installing base plates, balustrading, brackets, and wall ties where hollow substrate would otherwise prevent a reliable anchor from forming.
Best For
Hollow brick and block anchoring
Resin injection systems
Structural steel connections
Facade and balcony fixings
Wall ties in cavity masonry
Compatible With
M8 threaded studs
M10 threaded studs
Chemical resin injection systems
Hollow and perforated masonry
Aerated and lightweight blockwork
Key Specifications
Available in 85mm length
Available in 135mm length
Supplied in packs of 10
Nylon mesh construction
Includes stud alignment collar
Not suitable for: Not suitable for use in solid masonry or concrete where standard resin capsules or cartridges are the correct fixing method. These sleeves serve no purpose in a solid substrate and should not be used as a substitute for correct anchor selection.
Clean the drilled hole thoroughly before fitting the sleeve — dust and debris inside a hollow block will stop the resin bonding properly to the mesh and substrate walls. Blow out the hole with a pump or compressed air, then tap the nylon sleeve into position so it sits at the correct depth. Fit the alignment collar to the top of the stud before insertion.
Inject resin into the sleeve from the bottom up, filling approximately two-thirds before inserting the stud. Push the stud in with a slow, steady rotation to help distribute the resin evenly through the mesh. Allow full cure time before applying any load — check the resin manufacturer's data sheet for temperature-dependent cure times, as these vary considerably in cold weather.
Drill the hole to the correct diameter and depth for the sleeve size being used
Blow out all dust and debris from the hole using a pump or compressed air
Tap the nylon sleeve into the hole so it is fully seated at the required depth
Fit the stud alignment collar onto the threaded stud before insertion
Inject resin from the bottom of the sleeve upward, filling approximately two-thirds of the sleeve
Insert the stud with a slow rotating action to spread resin through the mesh evenly
Leave undisturbed for the full cure time specified by the resin manufacturer before loading
Why do I need a nylon sleeve for hollow bricks — can't I just inject resin directly?
No. In a hollow brick or block, injected resin will run straight through the void and pool at the bottom of the cavity rather than setting around the stud. The mesh sleeve acts as a container, holding the resin in place while it cures so it can form a proper bond. Without it, the anchor has nothing solid to key into.
Which stud sizes are these sleeves designed for?
These sleeves are designed for use with M8 and M10 threaded studs, which cover the majority of standard structural and facade fixing applications on site.
What is the difference between the 85mm and 135mm sleeve lengths?
The 135mm sleeve is used where a deeper embedment depth is required, typically to achieve a higher pull-out load as specified by a structural engineer. The 85mm version suits lighter-duty applications or thinner masonry sections. Always refer to your fixing design or engineer's specification to confirm the correct embedment depth before ordering.
Manufactured from nylon mesh, these sleeves allow resin to permeate through the material and bond to the surrounding masonry walls while containing the resin within the void. The mesh construction is compatible with polyester, vinylester, and epoxy-based chemical resin systems. Each unit includes a separate alignment collar to maintain stud centricity during cure.
Material
Nylon mesh
Available Lengths
85mm, 135mm
Compatible Stud Sizes
M8, M10
Pack Quantity
10
Includes
Stud alignment collar
Application
Hollow brick and block masonry
Size
M15 x 135mm (qty:10), M15 x 85mm (qty:10)
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