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District: Various
Owner: Modern-Mill, Inc.
HDLC Staff: Dennis Murphy
Rating: Unrated (New Construction)
Applicant: Zane Swanepoel
Permit #: N/A
Description: Review of new ACRE brand composite building trim, siding and decking for consideration of Staff-level approval where consistent with the HDLC Guidelines for alternative materials.
No special tools or blades required to cleanly cut or route material.
Monolithic material without a finished exterior layer (similar to Miratec).
Dimensions, thicknesses and profiles similar to comparable composite building trim, siding, and T&G decking products.
Resists water and moisture deterioration well, as per informal Staff "bucket test."
Appears to be appropriate for use at new construction and addition projects as building trim, siding and decking where comparable alternative materials to wood would otherwise meet the HDLC Guidelines for Staff-level approval. Similar to fiber cement and other composite materials, it may not be appropriate for use at larger areas of millwork such as fascia, beam and column wraps.
Based on the information provided, it is unclear how the material will tolerate New Orleans's local climate conditions over longer periods of time in terms of bending, warping, dimensional and material stability. The product literature also includes an "Extreme Heat Warning" indicating that sunlight or exposure to high heat and heat sources (such as window reflections) can change the physical properties of the material and may accelerate its deterioration by causing it to warp, sag, melt, discolor, expand and contract. It also notes that specialty paints, primers and stains are required to mitigate these heat-related effects.
ACRE Product Information - Submitted by Applicant:
ACRE Product Information - Submitted by Applicant:
ACRE Product Information.pdfACRE Product Specifications:
ACRE Product Specifications:
BUILDING TRIM:
BUILDING TRIM:
For use as door, window, and building trim at new construction and additions only
SHIPLAP SIDING:
SHIPLAP SIDING:
For use as siding at new construction and additions only
BOARD & BATTEN SIDING:
BOARD & BATTEN SIDING:
For use as siding at new construction and additions only
T&G PORCH DECKING:
T&G PORCH DECKING:
For use as decking at new porches and galleries and where otherwise allowed as replacement by Guidelines
Case Study - 601 E Charles Street, Hammond, LA:
Case Study - 601 E Charles Street, Hammond, LA:
Product has received Staff-level approval for installation in other historic districts such as Edgartown, Oak Bluffs, and Provincetown, MA
Extreme Heat Warning & Paint/Stain Guidelines:
Extreme Heat Warning & Paint/Stain Guidelines:
Coatings-and-Finishing-Guide-ACRE-by-Modern-Mill.pdfAZEK brand decking products have a similar extreme heat warning, however, Hardie, Miratec, Nichia and other fiber cement products do not.
National Center for Preservation Technology & Training (NCPTT) Comments:
National Center for Preservation Technology & Training (NCPTT) Comments:
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