Glass Wool Blanket

Glass wool blanket insulation covers large roof, wall, ceiling, and equipment surfaces in continuous rolls — reducing joint count and installation time. Available in thicknesses from 25 mm to 200 mm, roll widths from 600 mm to 1200 mm, with thermal conductivity typically from 0.032 to 0.044 W/m·K — confirm exact roll dimensions and facing options by inquiry. Supplied from our own and partner factories — combined capacity up to 450,000 t/yr, with a one-container MOQ and LCL support.

  • Continuous roll coverage reduces joint count — fewer thermal bridges and faster installation across large roof, wall, and ceiling areas.
  • Lightweight mineral fiber handles easily on scaffolding and overhead work where heavy board or blanket creates fatigue and safety risk.
  • Facing options (foil, kraft, film) provide vapor control direction and surface finish without a separate installation step.
Glass Wool Blanket

Quick Answer

Key questions buyers ask before sourcing this product.

What is it?

Flexible glass wool insulation supplied in rolls for large-area coverage and continuous installation.

Best for?

Roofs, metal buildings, ceilings, duct wrap, and large flat or curved surfaces.

Key advantage?

Roll format covers broad areas quickly and reduces joint count compared with small pieces.

Options?

roll width, thickness, density, facing type, packing style.

Next step?

Share application, area size, facing preference, quantity, destination, and document needs.

Problems This Product Solves

Common pain points this product is built to address.

Large areas create too many joints when insulated with small pieces.

Blanket rolls reduce seams and installation interruptions on roofs, metal buildings, and wrap applications.

Wrong facing can create moisture or surface problems.

Faced blanket options help match vapor-control, reflection, or surface finish needs when the assembly requires it.

Freight volume matters for export orders.

Roll and compression packing reduce shipping volume compared with loose or rigid formats, helping buyers control landed cost on large-area projects.

Buyers often need both thermal and acoustic improvement.

Glass wool blanket can support heat-flow control and sound absorption in one lightweight layer.

Quality control

Engineered for Consistent Performance

Every batch is produced under controlled conditions and verified against international standards, so what you specify is what you receive — project after project.

Product Benefits

What sets this product apart in real projects.

Roll format

Faster installation across wide surfaces with fewer joints.

Lightweight glass fiber

Easier handling for roof, ceiling, and wrap installation.

Multiple facing routes

Helps match vapor, reflection, handling, or clean-surface requirements.

Compression packaging options

Can reduce freight volume and distributor storage pressure.

Flexible form

Adapts to broad flat or gently curved surfaces better than rigid board.

Thermal and acoustic function

One product can support both insulation and noise-control goals.

Best-Fit Applications

Glass wool blanket is most useful where installers need continuous roll coverage instead of pre-cut cavity pieces.

Metal building roofs and walls

Rolls cover long spans and can be paired with suitable facings.

Commercial ceilings

Lightweight rolls are practical for overhead insulation work.

Duct wrap and equipment wrap

Flexible blanket can wrap broad surfaces after system review.

Large roof or wall areas

Continuous format reduces repeated cutting and placement.

Distributor stock

Common faced and unfaced roll options support resale programs.

For framed cavities, start with glass wool batt. For rigid panels or acoustic boards, start with glass wool board. For pipes, start with glass wool pipe.

Options & Variants

Choose the form that fits your application.

Unfaced Blanket

Bare roll — for systems with a separate vapor membrane.

Foil Faced Blanket

Reflective foil facing — radiant-heat control plus vapor barrier.

Kraft Faced Blanket

Kraft-paper facing as a built-in vapor retarder.

Black Fiberglass Tissue Faced Blanket

Black tissue facing — finished look for exposed surfaces.

Formaldehyde-Free Blanket

No added formaldehyde — for IAQ-sensitive specs (docs on request).

VOC-Free Blanket

Low-VOC formulation for indoor-air-quality compliance (docs on request).

Wmsk blanket

WMSK reinforced facing for durability and vapor-control support.

Manufacturing

Why source Glass Wool Blanket from SinoInsulation

  • Own factory plus a vetted partner-factory network — combined annual capacity up to 450,000 tons.
  • MOQ from one 20ft container; LCL and mixed-container (multi-material) orders supported.
  • Samples before bulk orders; custom packaging, compression packing, and private-label / OEM labeling.
  • ISO 9001 and CE held; ASTM and AS/NZS test reports available on request, matched to the selected product.
  • One inquiry, multiple materials: combine glass wool with rock wool, rubber foam, or cellular glass in a single order.

When It's Not the Best Fit

Glass wool blanket is not the best first choice for every insulation condition. Review the project before using glass wool blanket when:

The cavity is closed, inaccessible, or cannot be opened for roll placement. Glass wool blow-in insulation may fit better.
The area faces continuous condensation, heavy compression, or cold-service vapor-tight needs. Rubber foam or cellular glass may need review.
Higher fire resistance or higher temperature tolerance is the deciding factor. Rock wool blanket may be the better option.

Selection Guide

Answer these to narrow down the right specification.

What surface will be insulated?

Confirms whether roll format is suitable.

Is a facing required?

Determines unfaced, foil, kraft, film, or WMSK option.

What roll size or coverage area is needed?

Helps plan width, length, quantity, and packing.

Is the surface exposed or concealed?

Helps decide facing appearance and durability needs.

Is acoustic performance important?

Helps review density and product option.

Supply & Purchasing

SinoInsulation supports glass wool blanket sourcing for building, industrial, and distributor programs.

Unfaced, foil-faced, and other facing options across offered thicknesses and roll widths.
Custom roll dimensions and compression packaging for efficient container loading.
Multi-material sourcing: combine glass wool blanket with rock wool blanket, rubber foam, or other insulation in one inquiry. One 20ft container MOQ, LCL accepted.
Formaldehyde-free options and facing-specific fire/smoke documentation where available.

Need datasheet or project documents?

Send your application and required product details. We can provide datasheet, packing information, and available supporting documents during quote review.

Quality & Market Certs

ISO 9001 quality system and CE marking held; ASTM and AS/NZS test reports available on request, matched to the selected product.

Product Datasheet

Get product data for the selected glass wool blanket type and option.

Packing & Labeling Details

Confirm carton, pallet, compression pack, private label, or mixed-SKU packing options.

Frequently Asked Questions

Answers to common questions about this product.

Is glass wool blanket the same as batt?

No. Blanket is supplied in rolls for large continuous surfaces. Batt is pre-cut for framed cavities.

Which facing should I choose?

Use unfaced blanket when vapor control is handled elsewhere. Review foil, kraft, film, or WMSK faced blanket when the assembly needs a facing option.

When should I choose rock wool blanket instead?

Choose rock wool blanket when higher density, fire resistance, or temperature tolerance is the main requirement. Glass wool blanket is usually lighter and easier to handle.

Can I request formaldehyde-free or VOC-Free blanket?

Yes, these can be reviewed as document-based product options. Confirm available qualification documents during inquiry.

Request a Quote

Tell us the surface area, thermal target, and facing preference — we will recommend the right blanket roll dimensions and packaging.