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2025-08-15 02:15
2025-08-15 01:13
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    3. Roof Penetration Flashing This type is crucial around vents, chimneys, and skylights. Proper installation of penetration flashing is vital to prevent leaks around these vulnerable areas.


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    2. Melting and Casting The iron is melted at high temperatures and then cast into tee-shaped molds. This step requires precision to ensure that the tees will have the desired dimensions and structural integrity.