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Havelock Wool Insulation

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Introducing New Wool Air Filters!

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Plan with confidence

Havelock Wool
Project Builder

A clear material estimate for healthier, high-performance spaces.

Takes about two minutes

Havelock Wool

Project Builder

Your project, made clearer.

Tell us about the space. We will recommend the right batt, quantity, and most economical mix of pallets and single bags.

01Application
02Performance
03Framing
04Project size
05Healthy home
06Your plan

Material planning only

Always confirm local code requirements and final quantities with your project professional.

Step 1 of 5

Where will the wool go?

Select the application that best represents this portion of your project.

Exterior walls New construction, additions, and wall retrofits Interior walls Comfort, sound control, and healthier interiors Floors and subfloors Thermal and acoustic separation between spaces Ceilings and rooflines Cathedral ceilings and framed roof assemblies

Step 2 of 5

Choose the performance level.

R-value tells you how strongly insulation resists heat moving through it. A higher number provides more thermal resistance, but the correct choice usually depends on your wall depth, project plans, and local code.

3.5-inch cavity R14 Wool PRO A natural fit for standard 2x4 framing assemblies 5.5-inch cavity R22 Wool PRO Higher thermal performance for 2x6 framing assemblies

An easy way to choose: Standard 2x4 cavities are generally paired with R14. Deeper 2x6 cavities are generally paired with R22. If you have plans, use the R-value specified there.

Step 3 of 5

How is the space framed?

Measure from the center of one stud or joist to the center of the next.

Most common 16 inches on center Designed for approximately 14.5-inch cavities Wider framing 24 inches on center Designed for approximately 22.5-inch cavities

Step 4 of 5

Tell us about the project size.

Enter the total surface area being insulated, not the floor area of the building.

Total insulation area sq ft Walls: total wall length x height. Floors and ceilings: length x width. Planning allowance Helps account for cuts, irregular framing, and field conditions. Windows and doors openings We will add one sealing package for approximately every 21 openings.

Your estimate will include: The most economical available mix of pallets and individual bags, plus optional window and door insulation.

Optional finishing touches

Make the whole space feel better.

Wool can support comfort beyond the walls. Add a year of cleaner air or natural sound control, or skip these options and review your insulation plan.

Cleaner air

A year of wool-rich filtration.

Four filters provide a full year of scheduled replacements, helping capture particles while supporting healthier indoor air.

Add a one-year filter supply

Filter size Filtration level One-year packs

Calmer sound

Control the sound of your space.

Natural wool panels absorb unwanted sound while helping create quieter, more comfortable rooms without synthetic binders.

Add Air + Sound Panels

Panel depth Number of boxes

Your project at a glance

A clear plan for your space.

Project area

Planned coverage

Recommended product

Materials

You will need

Estimated cost

Materials

Estimated shipping

Estimated project total

Planning note

This estimate is a planning aid and is not a construction specification. Confirm product suitability, local code requirements, final measurements, taxes, availability, and delivery conditions before ordering.

Havelock Wool provides natural, sustainable insulation made from premium New Zealand wool, manufactured in the USA. Our mission is to create healthier, high-performance spaces while protecting the planet.

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