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GacoPatch
We no longer stock this product; please contact our technical team on 0113 2455450 (option 2) or send a message to [email protected] where we will be happy to find an alternative product.
GacoPatch is a flashing grade, standalone silicone roof patch designed to be installed in a single application without reinforcement on a variety of substrates. In most cases, GacoPatch may be installed in a one-step application, reducing labour time and eliminating the cost of additional products such as primers and topcoats.
- New, improved technology
- One-step application limits costs
- No primer needed
- Can be applied to damp surfaces
- Permanently flexible
- UV stable
- Flashing grade - Fabric reinforcement is not
normally required - Will not chalk, crack or peel
- Vertical or horizontal application
GacoPatch is a flashing grade, standalone silicone roof patch designed to be installed in a single application without reinforcement on a variety of substrates. In most cases, GacoPatch may be installed in a one-step application, reducing labour time and eliminating the cost of additional products such as primers and topcoats.
New and improved technology allows for GacoPatch to be a long-term repair solution. GacoPatch does not contain asphalts or acrylics, and is extremely durable. GacoPatch remains permanently flexible, even under ponding water, and is UV stable, so it will not chalk or crack.
Recommended Uses
- Use GacoPatch on surface cracks*, control joints*, coping joints*, gutter seams, membrane pinholes, rain collars and fish mouths*, or as pitch pan filler
*May require the use of sacrificial tape
Click To Jump To Section:
- Features and Benefits
- Product Specification
- Drying Times
- Surface Preparation
- Application Methods
- Application Conditions
- Health and Safety
Features and Benefits
- New, improved technology
- One-step application limits costs
- No primer needed
- Can be applied to damp surfaces
- Permanently flexible
- UV stable
- Flashing grade - Fabric reinforcement is not
normally required - Will not chalk, crack or peel
- Vertical or horizontal application
Product Specification
Technical Data | |
---|---|
GacoPatch | |
Consistency: | Thick, caulk-like material |
Weatherability: | Excellent colour retention and excellent resistance to UV degradation |
Chemical Resistance: | Excellent chemical resistance |
Hardness (GP1500): | ASTM D2240 55 Shore A |
Adhesion: | Bonds to most aged asphalt membranes*, including APP, SBS, Smooth Built-Up and Mineral Surface Cap Sheets, aged Single Ply Membranes, Concrete, Metal, Sprayed Polyurethane Foam, and most existing coatings. Adhesion tests are recommended; prime where necessary.** Existing silicone coatings should not be primed. *Discoloration or blistering may occur over some asphaltic substrates. **Follow S20/S21 primer recommendations on General Instructions GW-4-1 Primer Guide |
Toxicity: | Not suitable for contact with edible substances or potable water storage systems |
Coverage: | 29.5L per 9.3 m² when applied at 125 wet mils: 45.7 mm thick NOTE: Application rate is job specific. Additional material may be required |
Solids (GP1500) : | METHOD 4041
|
Tensile Strength (GP1500): | ASTM D412
|
Tear Resistance (GP1500): | ASTM D624 DIE C
|
Hardness (GP1500): | ASTM D2240
|
V.O.C.: | < 250 g/L (< 2.1 lb/gal) |
Flash Point: | ASTM D93
|
Shelf Life: | Two years from date of manufacture when stored in original, unopened container between -18°C – 24°C |
Drying Times
- At ⅛" (3.2 mm) thick, in 24°C temperatures and 55% relative humidity, GacoPatch will be tack-free in 4 hours, fully cured in 40 hours, but can be rained on within 60 minutes
- Product is moisture cure; low humidity will result in longer cure times
Surface Preparation
- Remove loose material, dirt, and other debris from the application area with a stiff bristle brush
- Cleaning of single ply membranes and other smooth surfaces with a solution of 9 parts clean water to 1 part GacoWash Concentrated Cleaner per its instructions is recommended for best results
- Allow the area to dry thoroughly. [Note: Do not wash asphaltic roof substrates prior to application.]
- Remove rust and scale from metal sur faces with a wire brush
- Slick, prefinished metal surfaces should be abraded with a wire brush or sandpaper and wiped with a clean, dry rag
- GacoPatch may be applied to damp horizontal surfaces to serve as a temporary waterstop, but any standing water should first be removed
Application Methods
Product Information | |
---|---|
Thinning: | Product should not be thinned |
Primer: | None normally required over approved substrates, but adhesion tests are recommended |
Application: | Knead and roll tube prior to application. Apply to patch area at a minimum wet thickness of 3.2 mm and spread at least 76.2 mm in all directions from the affected area |
Application of Topcoats: | GacoPatch is UV stable. No topcoat is required. Product is not intended to be painted or covered over with any product other than GacoFlex silicone roof coatings when applicable |
Application Conditions
- For cold weather applications (ambient temp 4°C), keep GacoPatch stored above 18°C until application
- Do not apply to substrates below freezing or above 49°C
Health and Safety
Clean Up
- Application tools and equipment can be cleaned with GacoFlex T5110 Compliant Solvent or 100% Pure Mineral Spirits
- DO NOT USE WATER OR RECLAIMED SOLVENTS
- GacoPatch is UV stable and is not intended to be painted or covered over with any product other than Gaco Silicone Roof Coatings
- Refer to the product data sheet and safety data sheet in the attachments section above for further details.
Data sheet
- Manufacturer
- Gaco
- For Use On
- Concrete, Fiberglass, Metal, Asphalt
- Application Method
- Trowel, Brush
- Colour
- Standard / Ready Mixed
- Single, Two or Three Pack
- Single
- Pack Size
- 7.6L
- Application
- Brush
- Recommended Thinner/Cleaner
- Product should not be thinned
- Compatible Primers
- None normally required over approved substrates, but adhesion tests are recommended
- Tensile Strength
- Strength: 184 psi, Elongation: 200%, Permanent Set At Break: 1%
- Solids by Volume
- 68%
- VOC
- 250 g/L
- Shelf Life (from date of manufacture)
- Two years from date of manufacture when stored in original, unopened container between -18°C – 24°C
- Touch Dry
- 1 Hour
- UN Number
- UN1263
- UN Number
- UN1263
- Tear resistance (g)
- 32 pli (5.7 kg(f)/cm)
- Resistance to chemicals
- Excellent chemical resistance
- Fully Cured
- 4 hours at 24°C
- Solids by Weight
- 80%
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IMPORTANT SHIPPING & DELIVERY INFORMATION
GacoPatch is only available with the shipping and delivery timescales listed below - please do not contact our Customer Support Team with enquiries about alternative or earlier shipping and delivery times.
Saturdays and Sundays, as well as Bank Holidays, are not classed as working days.
Orders placed after the cut-off for this product will not be processed for earliest dispatch until 9am the next working day.
All delivery costs below are excluding VAT