Greenhouse aluminum profiles are the bedrock of Advancing Alternatives history in the greenhouse industry.  Are you building a new greenhouse or retrofitting an existing greenhouse? Our wire lock, roll bar, roll lock and polycarbonate-transition aluminum profiles give you the strength and utility that you are looking for. Our innovative aluminum profiles have been designed with both the grower and installer in mind.

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6 Foot Side Clasp Greenhouse Curtain Roll Bar

$30.00
6 Foot Side Clasp Greenhouse Curtain Roll Bar. Aluminum, 2″ OD roll bar.  This profile is designed for attaching curtain

6 Foot Greenhouse Curtain Roll Lock

$42.00
6 Foot Aluminum Greenhouse Curtain Roll Lock length, for locking your greenhouse curtain roll bar in the closed position.  Our

Greenhouse Curtain Roof Roll Lock

$54.00
6 Foot Greenhouse Curtain Roof Roll Lock, posi-clasp aluminum profile for locking your rolling greenhouse roof curtain in the closed

6 Foot Roll Bar Cap

$9.00
6 Foot Roll Bar Cap, is an aluminum profile that allows you to attach greenhouse poly to a 1.315″ or

6 Foot Aluminum H Channel for 8mm Polycarbonate

$13.50
6 Foot Aluminum H Channel for Polycarbonate sheets. This aluminum profile is made for transition between adjoining 8mm polycarbonate structural

6 Foot End Cap for 8mm Polycarbonate Sheets

$9.00
6 Foot Aluminum End Cap for Polycarbonate Sheets, for 8mm twin-wall polycarbonate structural sheeting. Use in your greenhouse around doors,

End Wall Greenhouse 8mm Poly Lock

$15.00
End Wall Greenhouse Poly Lock extrusion, designed to cover the top edge of polycarbonate on greenhouse and high tunnel end