exhibit 10. 1 $ 500, 000, 000 fourth amended and restated credit agreement dated as of november 2, 2006 among beacon sales acquisition, inc., as borrower beacon roofing supply, inc., as one of the guarantors the lenders and l / c issuers party hereto and general electric capital corporation, as administrative agent and collateral agent ¨ ¨ ¨ ge capital markets, inc., as sole lead arranger and bookrunner execution version table of contents page article i definitions, interpretation and accounting terms 1 section 1. 1 defined terms 1 section 1. 2 ucc terms 39 section 1. 3 accounting terms and principles 39 section 1. 4 payments 41 section 1. 5 interpretation 41 article ii the facilities 42 section 2. 1 the commitments 42 section 2. 2 borrowing procedures 43 section 2. 3 swing loans 45 section 2. 4 letters of credit 47 section 2. 5 reduction and termination of the commitments 50 section 2. 6 repayment of obligations 50 section 2. 7 optional prepayments 51 section 2. 8 mandatory prepayments 52 section 2. 9 interest 52 section 2. 10 conversion and continuation options 53 section 2. 11 fees 54 section 2. 12 application of payments 54 section 2. 13 payments and computations 58 section 2. 14 evidence of debt 59 section 2. 15 suspension of eurodollar rate option 61 section 2. 16 breakage costs ; increased costs ; capital requirements 61 section 2. 17 taxes 63 section 2. 18 substitution of lenders 66 article iii conditions to loans and letters of credit 67 section 3. 1 conditions precedent to initial loans and letters of credit 67 section 3. 2 conditions precedent to each loan and letter of credit 69 section 3. 3 conditions precedent to each facilities increase 71 section 3. 4 determinations of initial borrowing conditions 72 article iv representations and warranties 72 section 4. 1 corporate existence ; compliance with law 72 section 4. 2 loan documents 73 section 4. 3 ownership of group members 73 section 4. 4 financial statements 74 section 4. 5 material adverse effect 75 section 4. 6 solvency 75 section 4. 7 litigation 75 section 4. 8 taxes 75 section 4. 9 margin regulations 76 section 4. 10 no burdensome obligations ; no defaults 76 section 4. 11 investment company act ; public utility holding company act 76 section 4. 12 labor matters 76 section 4. 13 erisa 76 section 4. 14 environmental matters 77 section 4. 15 intellectual property 78 page page page article i definitions,