Perhaps the most creative term for a paint problem, alligatoring refers to a pattern that really does resemble reptilian skin. Alligatoring (Crocodiling) Fig. E
This item has been successfully added to your list. Patterned cracking in the paint film resembling the scales of an alligator. This can be caused by several things: The application of an extremely hard, rigid coating (like a solvent-based enamel) over a more flexible coating, like a water-based primer. n Moisture escaping through the exterior walls (less likely with latex paint than with oil-based or alkyd paint). Alligatoring is patterned and wide-spread cracking that resembles the scales of an alligator (see Figure 1). It took 1 milliseconds to generate this page. n Moisture escaping through the exterior walls (less likely with latex paint than with oil-based or alkyd paint). alligatoring Also called alligator skin, the incomplete form of peeling of paint from the substrate also on one coat from another coat. Here are the four most common paint problems that you may find around an old house and how to fix them. Alligatoring is bound to happen if the coating is already beyond its usable lifespan. Get the latest inspiration on color and cutting edge design. | phone}}{{storeData.phone | phone}}. Alligatoring is a broad term that can describe defects beyond metal. When the paint of both pieces dry, they adhere together. (0 items) Patterned cracking in the paint film resembling the scales of an alligator. Description Alligatoring, also known as crocodiling, appears as large cracks or crazing that looks like the scales on an alligator or crocodile. For commercial property, good maintenance is essential to attracting renters or customers. Alligatoring Paint. When the paint film build has too high a … A well-maintained building preserves property values and the quality of the community. Strivens, Ed., Woodhead Publishing Ltd., William Andrew Publishing, 1999 ISBN 1-85573-348 X & 1-884207-73-1 [This is perhaps the leading reference on modern paints and coatings, but is a difficult text to obtain, and is a bit short on field investigation methods - DF] Excessive film thickness and limited paint flexibility. Cause: Generally this happens when you are applying a topcoat to a glossy surface and it cannot bond properly. N
paint that has cracked in a pattern that resembles an alligator’s scales. Cracks occur when paint is applied too thickly on the surface, or possibly when multiple layers of paint are present. Bubbles caused from a loss of adhesion and lifting of the paint film from the underlying surface. Figure 3: Multiple cracks at planes away from centre in the sheet failed by alligatoring. Patterned cracking in the paint film resembling the scales of an alligator. Paint Defaults & Defects Chipping Identification: Small chips of finish losing adhesion to the substrate. F
The unequal shrinking creates stresses that pull on the surface differently than within the body of the coating. Alligatoring is patterned and wide-spread cracking that resembles the scales of an alligator (see Figure 1). The cracks usually do not penetrate down to the substrate. Remove old paint by scraping, sanding, chemical removers, or a heat gun. D
Alligatoring is when the paint begins to form wide cracks that resemble alligator scales. Glossy surfaces should be sanded dull. Most of the cases of this defect that I can recall occurred over wood. Probable Causes: Internal stresses in the coating where the surface shrinks faster than the body of the paint film. Paint bubbling can happen shortly after a paint … Paint Defects/Complaints Possible causes of defect/complaint Presentation of defect/complaint Master Painters NZ Association Po Box 40355 Upper Hutt 5140 – PH 04 472 5870 Email nationaloffice@masterpainters.org.nz www.masterpainters.co.nz With respect to CUI, how well do thermal insulating coatings retard the spread of corrosion? Click OK to extend your time for an additional 30 minutes. a. Application of a coating over a glossy finish. Click on the image of each paint defect to find out the cause, how to prevent it and how to rectify the issue. T
Subtotal: $0.00, {{storeData.address | sentenceCase}} {{storeData.city | sentenceCase}}, {{storeData.state}} {{storeData.zip}} {{storeData.phone Click the link below and get directions to your closest the surface that has been painted). Blistering. checking), then develops into wide rectangular cracks. Also see " alligatoring " above. Terms of Use -
Why the pattern? Alligatoring on a coating surface is a warning that it is losing its ability to prevent water and other corrosive substances from penetrating the substrate or the surface that the paint is supposed to protect. I
This can be caused by several things: The application of an extremely hard, rigid coating (like a solvent-based enamel) over a more flexible coating, like a water-based primer. These cracks generally do not expose the substrate (e.g. That presumably is due to the brittleness of the coating and … Paint Defects Blistering PROBLEM n Painting a warm surface in direct sunlight. Possible Cause. Alligatoring. M
From some notes I have, Checking and Alligatoring are similar terms that describe a surface defect caused by stress of a rigid coating over a flexible coating. Often the inner (older) layers of paint have lost elasticity and have already cracked, or form cracks which telegraph through the newer outer layer. Protective Concrete Coatings & Waterproofers, Just For Starters "How To Paint" Video Series, How To Prep & Stain Your Solid Painted Deck, Painting Selection Frequently Asked Questions, Painting Application Frequently Asked Questions, Primer Multi-Purpose Interior Oil-Based/Undercoater. L
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Visually, it starts as a wrinkle. Paint Defects/Complaints Possible causes of defect/complaint Presentation of defect/complaint Master Painters NZ Association Po Box 40355 Upper Hutt 5140 – PH 04 472 5870 Email nationaloffice@masterpainters.org.nz www.masterpainters.co.nz Another common defect in sheet metal rolling involves the splitting of a workpiece. (2) Paint viscosity too high or incorrect thinners used. A method of reducing the thickness of a slab of metal in which alligatoring defects tend to occur, the method comprising the steps of: determining an amount of reduction in thickness and a thickness value that tend to produce a longitudinal fracture in one or both ends of the slab, POSSIBLE CAUSES: Application of an extremely hard, rigid coating, like an alkyd enamel, over a more flexible coating, like a latex primer. 2 ) paint viscosity too high or incorrect thinners used of this defect that I can recall over. 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