Illawarra Handyman provides professional weatherproofing and draught-proofing services across Wollongong and the Illawarra region. From door and window draught sealing and weatherstrip installation to roof leak repairs, waterproof membrane application, external caulking and sealing, underfloor draught sealing, ceiling penetration sealing, and moisture barrier installation — our experienced team helps make homes and commercial properties more comfortable, energy-efficient, and protected from the elements. With Wollongong’s coastal climate and rainfall, proper weatherproofing is essential.
We service all suburbs across Wollongong and the Illawarra including Wollongong CBD, Figtree, Fairy Meadow, Thirroul, Corrimal, Bellambi, Towradgi, Fernhill, Balgownie, Tarrawanna, Keiraville, Gwynneville, North Wollongong, Coniston, Port Kembla, Warrawong, Unanderra, Dapto, Horsley, Albion Park, Shellharbour, Oak Flats, Kiama, Gerringong, Berry, and all surrounding areas. Fully insured, we service both residential homes and commercial properties throughout the region.
Draughts, water ingress, and damp all make homes uncomfortable and can lead to costly damage. Effective weatherproofing is one of the most cost-effective home improvements you can make. Contact us today for a free weatherproofing quote.
🚪 Door Draught Sealing & Weatherstripping
Gaps around doors are one of the primary sources of draught infiltration and energy loss in older Australian homes. We install and replace door weatherstrips, draught excluders, door seals, and threshold seals on all types of internal and external doors throughout the Illawarra.
- Door Weatherstrip Replacement — Removal of old, damaged, or compressed door weatherstripping and installation of new foam, rubber, or brush weatherstrip seals on external door frames to eliminate draught.
- Door Bottom Seal Installation — Supply and installation of door bottom draught excluders, automatic door drops, and sweep seals on external doors to seal the gap between the door bottom and threshold.
- Threshold & Door Sill Sealing — Installation of aluminium threshold seals, rubber threshold gaskets, and silicone bead sealing at door sill level to prevent water and draught entry at the base of external doors.
- French Door & Double Door Sealing — Draught-proofing of French door pairs and double entry doors including centre seal astragal fitting, perimeter weatherstrip installation, and threshold sealing.
- Sliding Door Weather Sealing — Replacement of pile brush seals, rubber lip seals, and header seals on aluminium sliding doors to restore weathertight performance and draught-free operation.
- Internal Door Sealing — Sealing of internal doors between living areas and garages, roof spaces, or other uninsulated areas to reduce thermal transfer and pest entry.
🪟 Window Weatherproofing & Sealing
Older windows are a major source of draught and heat loss in Australian homes. Poorly sealed windows also allow water ingress around frames. We seal and weatherproof all types of window frames to eliminate draughts, improve energy efficiency, and prevent water entry.
- Window Frame Weatherstrip Replacement — Replacement of worn or missing weatherstrip seals on aluminium and timber sliding windows, awning windows, and casement windows to restore draught-free closure.
- Window Frame Exterior Caulking — Application of exterior-grade silicone sealant around window frames at the junction with render, brickwork, and cladding to prevent water ingress and seal external gaps.
- Window Latch & Gap Repair — Repair of window latches, fasteners, and hinges that prevent windows from fully closing and creating gaps for draught and weather entry.
- Window Draught Sealing Assessment — Inspection of all windows in a home for draught sources, failed seals, and water entry points, with a written report and recommended sealing solutions.
- Secondary Glazing Draught Reduction — Application of clear secondary glazing film and window insulator kits as a cost-effective measure to reduce heat loss and draught through single-glazed windows.
🏠 Roof & Ceiling Weatherproofing
The roof space is a major source of heat loss in winter and heat gain in summer in homes without adequate ceiling sealing. We seal ceiling penetrations, roof space access hatches, and roof-level gaps to improve the thermal and air-tightness performance of your home.
- Ceiling Penetration Sealing — Sealing of gaps around downlights, exhaust fans, ceiling hatches, pipes, and all penetrations through the ceiling that allow conditioned air to escape to the roof space.
- Roof Access Hatch Sealing — Installation of draught-proof roof access hatch covers with compression seals to eliminate a common major source of roof space air transfer and heat loss.
- Exhaust Fan Backdraft Sealing — Installation of backdraft dampers on bathroom and kitchen exhaust fans to prevent cold air from entering the home through the fan when it is not operating.
- Roof Penetration Flashing & Sealing — Sealing of roof penetrations around pipes, vents, skylights, and service entries using appropriate flashing compounds, sealants, and weatherproofing products.
- Minor Roof Leak Repairs — Identification and repair of minor roof leaks including re-bedding and pointing of ridge caps, resealing of flashing junctions, and sealant application around penetrations.
- Gutter & Downpipe Sealing — Sealing of leaking gutter joints, downpipe connections, and overflow points to prevent water pooling against walls and potential internal moisture damage.
🏗️ External Wall & Building Envelope Sealing
Gaps and cracks in external walls, around service penetrations, and at building junctions allow moisture, insects, and cold air into the building fabric. We identify and seal these points using appropriate weatherproofing products to protect the building envelope.
- External Wall Crack & Gap Sealing — Sealing of cracks, gaps, and holes in external rendered and masonry walls using flexible sealants and patching compounds to prevent water and draught entry.
- Service Penetration Sealing — Sealing of gaps around external pipes, conduits, cables, and service entry points through walls using appropriate fire-rated or weatherproof sealants.
- Weep Hole Guards Installation — Installation of insect-proof weep hole guards in brick veneer walls to maintain moisture drainage while blocking pests and reducing draught.
- Subfloor Penetration Sealing — Sealing of gaps and penetrations through subfloor framing and flooring around pipes, cables, and structural openings to reduce underfloor draught in elevated homes.
- Cavity Flashing & Sill Sealing — Installation and repair of window and door sill flashing and cavity sealing to prevent water bridging the wall cavity and causing internal damp.
- Vermin Proofing & Gap Sealing — Identification and sealing of entry points for mice, rats, cockroaches, and other pests through gaps in the building fabric, combined with mesh or steel wool physical barriers.
💧 Waterproofing & Moisture Protection
Water ingress and moisture damage are leading causes of home damage and health issues including mould. We provide surface waterproofing and moisture protection services for balconies, decks, wet areas, subfloor spaces, and external surfaces across the Illawarra.
- Balcony & Deck Waterproofing — Application of waterproof membrane coatings to concrete balconies, timber decks, and covered outdoor areas to prevent water penetration and structural damage.
- Wet Area Waterproofing Touch-Ups — Repair and recoating of failed or damaged waterproof membranes in bathrooms, laundries, and outdoor showers where surface waterproofing has deteriorated.
- External Surface Waterproofing — Application of clear or tinted waterproof sealers to external brick, render, concrete, and masonry surfaces to repel water and prevent moisture absorption.
- Subfloor Moisture Barrier — Installation of polythene ground moisture barriers in subfloor spaces to reduce rising damp and condensation in homes with crawl space foundations.
- Concrete Crack Injection & Sealing — Injection and surface sealing of cracked concrete walls, footings, and slabs using polyurethane foam or epoxy injection products to stop water entry.
- Mould Treatment & Prevention — Surface mould treatment using antifungal products combined with identification and sealing of moisture sources to prevent mould recurrence in affected areas.
❓ Frequently Asked Questions — Weatherproofing Wollongong
How much does draught proofing cost in Wollongong?
Draught proofing costs in Wollongong depend on the number of doors and windows involved and the extent of sealing required. A single door weatherstrip replacement is quick and economical, while a whole-of-home draught sealing program across multiple doors, windows, and ceiling penetrations represents a larger investment. Contact us for a free quote tailored to your property.
How do I know if my home needs weatherproofing?
Common signs that a home needs weatherproofing include cold draughts felt near closed doors and windows, high heating and cooling bills, condensation on windows, damp patches or mould on walls or ceilings, and visible gaps around door or window frames. We can provide a weatherproofing assessment of your home and recommend the most cost-effective solutions.
Does weatherproofing really make a difference to energy bills?
Yes — draught sealing is one of the most cost-effective ways to reduce heating and cooling costs in Australian homes. The Australian Government’s energy efficiency programs identify draught sealing as delivering some of the highest returns on investment of any home improvement measure. In the Illawarra’s coastal climate, properly sealed doors and windows significantly reduce heat loss in winter and heat gain in summer.
Can you fix a leaking roof or just seal minor roof leaks?
We handle minor roof leak repairs including sealing around flashing, ridge cap re-bedding and pointing, and sealant repair at penetrations. For major roof damage, structural roof repairs, or full roof re-sheeting, we recommend engaging a licensed roofing contractor. We can advise on the extent of the repair needed when we inspect your property.
Do you do waterproofing for bathrooms?
We provide wet area waterproofing touch-ups and repair of failed membrane sections in existing bathrooms. Full bathroom waterproofing for new builds and complete renovations falls under licensed waterproofing work required by AS 3740 — for full new wet area waterproofing we recommend engaging a licensed waterproofer. We can advise you on which category your repair falls into.
Do you service areas outside Wollongong for weatherproofing?
Yes — we service the full Illawarra and South Coast region including Shellharbour, Kiama, Gerringong, Albion Park, Dapto, Thirroul, Corrimal, Fairy Meadow, and all surrounding suburbs for weatherproofing and draught-proofing services.
Can weatherproofing help with pest entry as well as draughts?
Yes — many of the same gaps that cause draughts also allow pests including mice, cockroaches, and other insects to enter the home. Our gap sealing and vermin proofing service addresses both draught reduction and pest exclusion by identifying and sealing all entry points in the building fabric.
Get a Free Weatherproofing Quote in Wollongong
Professional weatherproofing and draught-proofing services across Wollongong, Illawarra & the South Coast. Call 0493 589 355 or click below to request your free quote.
Fully insured weatherproofing and draught-sealing service. We seal doors, windows, roof penetrations, and external gaps for residential homes and commercial properties throughout the Illawarra region.
📍 Weatherproofing — Areas We Service
Illawarra Handyman provides weatherproofing services across the following Illawarra suburbs. Click your suburb to see local pricing, availability, and service details.